Publications in refereed journals

1. On the chemical composition of ε Peg.
   Van Paradijs, J., & De Ruiter, H. 1972, A&A, 20, 169
2. Is δ Cep super-iron rich?
   Van Paradijs, J., & De Ruiter, H. 1973, A&A, 24, 317
3. A Westerbork 1415 MHz survey of background radio sources. I.
   Willis, A.G., Oosterbaan, C.E., & De Ruiter, H.R. 1976, A&AS, 25, 453
4. A BL Lac object near the spiral galaxy NGC 6503.
   Arp, H.C., Sulentic, J.W., Willis, A.G., & De Ruiter, H.R. 1976, ApJL, 207, L13
5. A Westerbork 1415 MHz survey of background radio sources. II.
   De Ruiter, H.R., Willis, A.G., & Arp, H.C. 1977, A&AS, 28, 211
6. A Westerbork 1415 MHz survey of background radio sources.
   III. Willis, A.G., & De Ruiter, H.R. 1977, A&AS, 29, 103
7. A search for radio emission from a sample of optically selected quasars
   Fanti, C., Fanti, R., Lari, C., Padrielli, L., Van der Laan, H., & De Ruiter, H. 1977, A&A, 61, 487
8. A Westerbork 1415 MHz survey of radio sources. V
   Arp, H.C., De Ruiter, H.R., & Willis, A.G. 1979, A&A, 77, 86
9. The redshift dependence of colour and space density of radio galaxies
   Katgert, P., De Ruiter, H.R., & Van der Laan, H. 1979, Nature, 280, 20
10. Evidence for the location of quasars in superclusters
    Oort, J.H., Arp, H.C., & De Ruiter, H.R. 1981, A&A, 95, 7
11. Quasar-generating superclusters: an explanation for a clumpy quasar sky?
    De Ruiter, H.R. & Zuiderwijk, E.J. 1982, A&A, 105, 254
12. On the apparent association of quasars and Arp's companion galaxies
    Zuiderwijk, E.J. & De Ruiter, H.R. 1983, MNRAS, 204, 675
13. The correlation between distortion of radio structure and linear size in low luminosity radio galaxies
    De Ruiter, H.R., & Parma, P. 1984, A&A, 141, 189
14. Optical Variability of Seyfert Nuclei. I VBLUW photometry
    De Ruiter, H.R., & Lub, J. 1986, A&AS, 63, 59
15. VLA observations of low luminosity radio galaxies. I Sources with angular size smaller than two arcminutes
    Parma, P., De Ruiter, H.R., Fanti, C., & Fanti, R. 1986, A&AS, 64, 135
16. VLA observations of B2 quasars. I Extended sources
    Rogora, A., Padrielli, L., & De Ruiter, H.R. 1986, A&AS, 64, 557
17. VLA observations of low luminosity radio galaxies. II Sources with angular size greater than two arcminutes
    De Ruiter, H.R., Parma, P., Fanti, C., & Fanti, R. 1986, A&AS, 65, 111
18. VLA observations of low luminosity radio galaxies. III The A array observations
    Fanti, C., Fanti, R., De Ruiter, H.R., & Parma, P. 1986, A&AS, 65, 145
19. VLA observations of B2 galaxies. II Compact sources
    Rogora, A., Padrielli, L., & De Ruiter, H.R. 1987, A&AS, 67, 267
20. VLA observations of low luminosity radio galaxies. IV The B2 sample revisited
    Fanti, C., Fanti, R., De Ruiter, H.R., & Parma, P. 1987, A&AS, 69, 57
21. VLA observations of low luminosity radio galaxies. V A detailed radio study of five jets.
    Morganti, R., Fanti, C., Fanti, R., Parma, P., & De Ruiter, H.R. 1987, A&AS, 183, 203
22. VLA observations of low luminosity radio galaxies. VI Discussion of radio jets
    Parma, P., Fanti, C., Fanti, R., Morganti, R., & De Ruiter, H.R. 1987, A&A, 181, 244
23. Low luminosity radio galaxies: effects of gaseous environment
    Morganti, R., Fanti, R., Gioia, I.M., Harris, D.E., Parma, P., & De Ruiter, H.R. 1988, A&A, 189, 11
24. VLA observations of B2 quasars. III Discussion of the radio morphologies
    Padrielli, L., Rogora, A., & De Ruiter, H.R. 1988, A&A, 196, 49
25. B2 1637+29, a massive radio galaxy probing a poor but gas rich cluster
    De Ruiter, H.R., Parma, P., Fanti, R., & Ekers, R.D. 1988, ApJ, 329, 225
26. VLA observations of low luminosity radio galaxies. VII General properties
    De Ruiter, H.R., Parma, P., Fanti, C., & Fanti, R. 1990, A&A, 227, 351
27. Physical properties of jets in low luminosity radio sources
    Bicknell, G.V., de Ruiter, H.R., Fanti, R., Morganti, R., & Parma, P. 1990, ApJ, 354, 98
28. VLA observations of radio selected dumbbell galaxies
    Parma, P., Cameron R.C., & de Ruiter, H.R. 1991, AJ, 102, 1960
29. Optical variability of Seyfert nuclei. II Fairall 9
    Lub, J., & de Ruiter, H.R. 1992, A&A, 256, 33
30. Samples of dumbbell galaxies in southern rich clusters
    Gregorini, L., Vettolani, G., de Ruiter, H.R., & Parma, P. 1992, A&AS, 95, 1 (Online data: Vizier)
31. Polarization properties at 1.4 GHz of low luminosity radio galaxies
    Parma, P., Morganti, R., Capetti, A., Fanti, R., & de Ruiter, H.R. 1993, A&A, 267, 31
32. Dumbbell galaxies and multiple nuclei in rich clusters: radio data
    Gregorini, L., de Ruiter, H.R., Parma, P., Sadler, E.M., Vettolani, G., & Ekers, R.D. 1994, A&AS, 106, 1
33. Deep VLA observations of an optically selected sample of intermediate redshift QSOs and the optical luminosity function of the radio loud QSOs
    La Franca, F., Gregorini, L., Cristiani, S., De Ruiter, H., & Owen, F. 1994, AJ, 108, 1548
34. 1358+305: A giant radio galaxy at z=0.206
    Parma, P., de Ruiter, H.R., Mack, K.-H., van Breugel, W., Dey, A., Fanti, R., & Klein, U. 1996, A&A, 311, 49
35. Deep radio observations of the Lockman hole
    De Ruiter, H.R., Zamorani, G., Parma, P., Hasinger, G., Hartner, G., Trümper, J., Burg, R., Giacconi, R., & Schmidt, M. 1997, A&A, 319, 7
36. Radio Observations of the Marano Field and the Faint Radio Galaxy Population
    Gruppioni, C., Zamorani, G., de Ruiter, H.R., Parma, P., Mignoli, M., & Lari, C. 1997, MNRAS, 286, 470
37. Polarization of Low Luminosity Radio Galaxies: the 6 cm Data
    Morganti, R., Parma, P., Capetti, A., Fanti, R., de Ruiter, H.R., & Prandoni, I. 1997, A&AS, 126, 335
38. Asymmetric depolarization in double low-luminosity radio galaxies
    Morganti, R., Parma, P., Capetti, A., Fanti, R., & de Ruiter, H.R. 1997, A&A, 326, 919
39. The peculiar radio galaxy B2 1637+29: a high velocity encounter of two galaxy groups?
    de Ruiter, H.R., Fanti, R., Parma, P., Lub, J., Morganti, R., & Ekers, R.D. 1998, A&A, 337, 711
40. Bright galaxies from WENSS. I The minisurvey
    de Ruiter, H.R., Parma, P., Stirpe, G.M., Perez-Fournon, I., González-Serrano, I., Rengelink, R.B., & Bremer, M.N. 1998, A&A, 339, 34 (Online data: Vizier)
41. Radiative ages in a representative sample of low luminosity radio galaxies
    Parma, P., Murgia, M., Morganti, R., Capetti, A., de Ruiter, H.R., & Fanti, R. 1999, A&A, 344, 7
42. Asymmetries in the jets of weak radio galaxies
    Laing, R.A., Parma, P., de Ruiter, H.R., & Fanti, R. 1999, MNRAS, 306, 513
43. The radio jets in B2 0755+379
    Bondi, M., Parma, P., de Ruiter, H.R., Fanti, R., Laing, R.A., & Fomalont, E.B. 2000, MNRAS, 314, 11
44. The HST snapshot survey of the B2 sample of low luminosity radio-galaxies: a picture gallery
    Capetti, A., de Ruiter, H.R., Fanti, R., Morganti, R., Parma, P., & Ulrich, M.- H. 2000, A&A, 362, 871
45. The ATESP radio survey. I. Survey description, observations and data reduction
    Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, P., Wieringa, M.H., & Ekers, R.D. 2000, A&AS, 146, 31
46. The ATESP radio survey. II. The source catalogue
    Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, P., Wieringa, M.H., & Ekers, R.D. 2000, A&AS, 146, 41 (Online data: Vizier)
47. The ATESP radio survey. III The source counts
    Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, P., Wieringa, M.H., & Ekers, R.D. 2001, A&A, 365, 392
48. The ATESP radio survey. IV. Optical identifications and spectroscopy in the EIS-A region
    Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, P., Zanichelli, A., Wieringa, M.H., & Ekers, R.D. 2001, A&A, 369, 787
49. A multi-frequency study of the radio galaxy NGC 326 I. The data
    Murgia, M., Parma, P., de Ruiter, H.R., Bondi, M., Ekers, R.D., Fanti, R.,& Fomalont, E.B. 2001, A&A, 380, 102
50. The HST survey of the B2 sample of radio galaxies: optical nuclei and the FRI/BL Lac unified scheme
    Capetti, A., Celotti, A., Chiaberge, M., de Ruiter, H.R., Fanti, R., Morganti, R., & Parma, P. 2002, A&A, 383, 104
51. HST images of B2 radio galaxies: a link between circum-nuclear dust and radio properties?
    de Ruiter, H.R., Parma, P., Capetti, A., Fanti, R., & Morganti, R. 2002, A&A, 396, 857
52. The HST survey of the B2 sample of radio galaxies: detection of two optical jets
    Parma, P., de Ruiter, H.R., Capetti, A., Fanti, R., Morganti, R., Bondi, M., Laing, R.A., & Canvin, J.R. 2003, A&A, 397, 127
53. B2 0648+27: a radio galaxy in a major merger
    Morganti, R., Oosterloo, T.A., Capetti, A., de Ruiter, H.R., Fanti, R., Parma, P., Tadhunter, C.N., & Wills, K.A. 2003, A&A, 399, 511
54. The VLA-VIRMOS Deep Field. I. Radio observations probing the sub-mJy source population.
    Bondi, M., Ciliegi, P., Zamorani, G., Gregorini, L., Vettolani, G., Parma, P., de Ruiter, H.R., Le Fevre, O., Arnaboldi, M., Guzzo, L., and 27 co- authors 2003, A&A, 403, 857 (Online data: Vizier)
55. Are radio galaxies and quiescent galaxies different? Results from the analysis of HST brightness profiles
    de Ruiter, H.R., Parma, P., Capetti, A., Fanti, R., Morganti, R., & Santantonio, L. 2005, A&A, 439, 487 (Online data: Vizier)
56. The VVDS-VLA deep field. II. Optical and near infrared identifications of VLA S1.4GHz>80 microJy sources in the VIMOS VLT deep survey VVDS-02h field
    Ciliegi, P., Zamorani, G., Bondi, M, et al. 2005, A&A, 441, 879
57. The ATESP 5 GHz Survey. I Source counts and spectral index of the faint radio population.
    Prandoni, I., Parma, P., Wieringa, M.H., de Ruiter, H.R., Gregorini, L., Mignano, A., Vettolani, G., & Ekers, R.D. 2006, A&A, 457, 517 (Online data: Vizier)
58. In search of dying radio sources in the local universe.
    Parma, P., Murgia, M., De Ruiter, H.R., Fanti, R., Mack K.-H., & Govoni, F. 2007, A&A, 470, 875
59. The ATESP 5 GHz radio survey. II. Physical properties of the faint radio population
    Mignano, A., Prandoni, I., Gregorini, L., et al. (de Ruiter) 2008, A&A, 477, 459
60. The intracluster magnetic field power spectrum in Abell 2382.
    Guidetti, D., Murgia, M., Govoni, F., et al (de Ruiter) 2008, A&A, 483, 699
61. The VVDS-VLA deep field. IV Radio-optical properties.
    Bardelli, S., Zucca, E., Bolzonella, M., et al. (de Ruiter) 2009, A&A, 495, 431
62. Is cold gas fuelling the radio galaxy NGC315?
    Morganti, R., Peck, A.B., Oosterloo, T.A., van Moorsel, G., Capetti, A., Fanti, R., Parma, P., & de Ruiter, H.R. 2009, A&A, 505, 559
63. The core fundamental plane of B2 radio galaxies.
    Bettoni, D., Falomo, R., Parma, P., de Ruiter, H.R., & Fanti, R. 2009, A&A, 508, 1253
64. The ATESP 5 GHz radio survey. III. 4.8, 8.4 and 19 GHz follow-up observations of radio galaxies.
    Prandoni, I., de Ruiter, H.R., Ricci, R., Parma, P., Gregorini, L., & Ekers, R.D. 2010, A&A, 510, A42
68. Molecular Disks in Radio Galaxies. The pathway to ALMA
    Prandoni, I., Laing, R.A., de Ruiter, H.R., & Parma, P. 2010, A&A, 523, A38
    
69. Dying radio galaxies in Clusters.
    Murgia, M., Parma, P., Mack, K.-H., de Ruiter, H.R., Fanti, R., Govoni, F., Tarchi, A., Giacintucci, S.,  & Markevitch, M. 2011, A&A, 526, A148
70. Far-UV to mid-IR properties of nearby radio galaxies.
    De Ruiter, H. R., Parma, P., Fanti, R., & Fanti, C. 2015, A&A, 581, A33

Conference Proceedings

71. Identifications from the Westerbork deep surveys
    Katgert, J.K., De Ruiter, H.R., & Willis, A.G. 1977, IAU Symp. 74, p. 165
72. Westerbork surveys of radio sources at 610 and 1415 MHz
    Willis, A.G., Oosterbaan, C.E., le Poole, R.S., De Ruiter, H.R., Strom, R.G., Valentijn, E.A., Katgert, P., & Katgert-Merkelijn, J.K. 1977, IAU Symp. 74, p. 39
73. Active galaxies at z>0.5
    Van der Laan, H., Katgert, P., & De Ruiter, H.R. 1979, in "Astronomical uses of the space telescope'', proceedings of the ESO/ESA Space Telescope Workshop, p. 301
74. Radio galaxies: the z-dependence of their proper densities and colors
    Van der Laan, H., Katgert, P., & De Ruiter, H.R. 1980, Phys.Scripta, 21, 619
75. The density of Arp's quasars around companion galaxies
    Zuiderwijk, E.J., & De Ruiter, H.R. 1983, 24th Liege Astrophysical Colloquium, p. 366
76. Radio emission from QSOs
    De Ruiter, H.R. 1983, Memoirs Soc. Astron. It, 54, 633
77. B2 quasars and relativistic motion
    De Ruiter, H.R., Rogora, A., & Padrielli, L. 1986, IAU Symposium 119 "Quasars'', eds. G. Swarup & V.K. Kapahi, p. 197
78. Variability in the optical continuum of type I Seyfert nuclei
    De Ruiter, H.R., & Lub, J. 1986, IAU Symposium 119 "Quasars'', eds. G. Swarup & V.K. Kapahi, p. 89
79. Jets in low luminosity radio galaxies
    Parma, P., Morganti, R., Bicknell, G.V., De Ruiter, H.R., Fanti, C., & Fanti, R. 1989, proceedings of 20th Yamada Conference "Big Bang, Active Galactic Nuclei and Supernovae'', eds. S. Hayakawa & K. Sato (Universal Academy Press, Tokyo), p. 339
80. Optical variability of Seyfert nuclei
    De Ruiter, H.R., & Lub, J. 1989, proceedings of 20th Yamada Conference "Big Bang, Active Galactic Nuclei and Supernovae'', eds. S. Hayakawa & K. Sato (Tokyo), p. 333
81. Jet models in low luminosity radio galaxies and the problem of depolarization
    De Ruiter, H.R., Parma, P., Morganti, R., Fanti, R., & Bicknell, G.V. 1989 in "Extranuclear activity in galaxies'', ESO Conference and Workshop Proceedings No. 32, eds. E.J.A. Meurs & R.A.E. Fosbury, p. 139
82. Dumb-bell galaxies in southern clusters: catalog and preliminary statistical results
    Vettolani, G., Gregorini, L., Parma, P., & de Ruiter, H.R. 1990, IAU Coll. no. 124 "Paired and Interacting Galaxies'', eds. J.W. Sulentic, W.C. Keel, & C.M. Telesco, p. 261
83. Dumbbell galaxies in southern clusters
    Gregorini, L., Vettolani, G., de Ruiter, H.R., & Parma, P. 1991, NATO advanced study, "Clusters and Superclusters of galaxies'', eds. M.M. Colles et al., IOA Cambridge, p. 61
84. Dumbbell Galaxies.
    de Ruiter, H.R., Gregorini, L., Parma, P., & Cameron, R.A 1991, OAR/91/9, Proceedings of "National Meeting of Extragalactic Astrophysics'', R. Scaramella & G. Vettolani (eds.), p. 1 no ADS
85. Low luminosity radio galaxies. I Radio observations
    Morganti, R., Fanti, R., de Ruiter, H.R., & Parma, P. 1991, OAR/91/9, Proceedings of "National Meeting of Extragalactic Astrophysics'', R. Scaramella & G. Vettolani (eds.), p.19 no ADS
86. A new sample of radio quasars
    de Ruiter, H.R., & Katgert, P. 1991, OAR/91/9, Proceedings of "National Meeting of Extragalactic Astrophysics'', R. Scaramella & G. Vettolani (eds.), p. 37 no ADS
87. Galaxy clustering around B2 quasars
    Perez-Fournon, I., Serra-Ricart, M., González-Serrano, J.I., Gregorini, L., Padrielli, L., & de Ruiter, H. 1992, Proceedings of the International Conference "Physics of Active Galactic Nuclei'', Heidelberg, 3-7 June 1991, eds. W.J. Duschl & S.J. Wagner, p. 416
88. One or two-sidedness: jets in sources at low luminosities
    Parma, P., Capetti, A., Lazzari, L., de Ruiter, H.R., Fanti, R., & Morganti, R. 1993, Space Telescope Science Institute Symposium "Astrophysical jets'', eds. D. Burgarella, M. Livio, & C. O'Dea, p. 30 no ADS
89. Properties of low luminosity radio galaxies. Polarization and Jets.
    De Ruiter, H.R., Capetti, S., Morganti, R., Parma, P., Lazzari, L., & Fanti, R. 1993, in "Jets in extragalactic radio sources'', proceedings of a workshop held at Ringberg Castle, eds. H.-J. Roeser & K. Meisenheimer, p. 21
90. Radio observations of the deep ROSAT field in the Lockman Hole
    De Ruiter, H.R., Zamorani, G., & Parma, P. 1993, Proceedings of the conference "Observational Cosmology'', eds. G. Chincarini, A. Iovino, T. Maccacaro, & D. Maccagni, ASPC, 51, 453
91. Radio properties of optically selected QSOs
    La Franca, F., Cristiani. S., Gregorini, L., & De Ruiter, H.R. 1993, Proceedings of the conference "Observational Cosmology'', eds G. Chincarini, A. Iovino, T. Maccacaro, & D. Maccagni, ASPC, 51, 589
92. Dumbbell galaxies and multiple nuclei in rich clusters: radio data
    Gregorini, L., Ekers, R.D., de Ruiter, H.R., Parma, P., Sadler, E.M., & Vettolani, G. 1994, "Mass-transfer induced activity in galaxies", Proceedings of the conference held at the University of Kentucky, Lexington, April 26-30, 1993. Ed. L. Shlosman, Cambridge: Cambridge University Press, 1994, p. 400
93. The Lockman Hole: radio identification of very faint ROSAT sources
    de Ruiter, H.R., Zamorani, G., Parma, P., Hasinger, G., Hartner, G., Trümper, J., Burg, R., MacKenty, J., Giacconi, R., Schmidt, M., Schneider, D.P., & Gunn, J.E. 1994, in "Frontiers of Space and Ground-based astronomy'', eds. W. Wamsteker, M.S. Longair, & Y. Kondo, Astrophysics and Space Science Library, Kluwer Academic Publishers, p. 673
94. Brightness asymmetries and velocities of jets in low luminosity radio galaxies
    Parma, P., de Ruiter, H.R., Fanti, R., & Laing, R. 1994, in The First Stromlo Symposium "The physics of active galaxies'', eds. G.V. Bicknell, M.A. Dopita, & P.J. Quinn, ASPC, 54, 241
95. Radio observations of a deep ROSAT field: the Marano field
    Gruppioni, C., Zamorani, G., de Ruiter, H.R., Parma, P., Mignoli, M., & Hasinger, G. 1996, "Roentgenstrahlung from the Universe", Eds. H.U. Zimmerman, J.E. Trümper, & H. Yorke, MPE Planck Report 263, p. 653
96. Radio observations of the Marano field: sub-mJy source counts and spectral index studies
    Gruppioni, C., Parma, P., de Ruiter, H.R., & Zamorani, G. 1996, IAU Symp. n. 175 "Extragalactic radio sources'', eds. R.D. Ekers, C. Fanti, & L. Padrielli, p. 525
97. A deep 20 cm radio mosaic of the ESO Key-Project galaxy redshift survey
    Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M.H.,& Ekers, R.D. 1996, IAU Symp. N. 175 "Extragalactic radio sources", eds. R.D. Ekers, C. Fanti, & L. Padrielli, p. 523
98. Low luminosity radio galaxies
    Parma, P., de Ruiter, H.R., & Fanti, R. 1996, IAU Symposium N. 175, "Extragalactic radio sources", eds. R.D. Ekers, C. Fanti, & L. Padrielli, p. 137
99. Low-luminosity radio QSOs: The B2 sample
    González-Serrano J.I., Perez-Fournon I., Gregorini L., Padrielli L., & de Ruiter H.R. 1996, IAU Symp. N. 175 "Extragalactic radio sources", eds. R.D. Ekers, C. Fanti, & L. Padrielli, p. 155
100. A galaxy redshift survey in the southern hemisphere: 20 cm radio observations
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M.H., & Ekers, R.D. 1997, in the International Workshop " Observational cosmology: from galaxies to galaxy systems'', Astro Lett. And Communications, 36, 261 (not in ADS)
101. A Deep 20 cm Radio Mosaic of the ESP Galaxy Redshift Survey
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M.H., & Ekers, R.D. 1997, in " The Early Universe with the VLT'' proc. of ESO Workshop held at Garching, Germany, 1-4 April 1996, ed. J. Bergeron (Springer), p. 420 (not in ADS)
102. A Deep 20 cm Radio Mosaic of the ESO Slice Project Galaxy Redshift Survey
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M.H.,& Ekers, R.D. 1997, in "Wide-Field Spectroscopy'', Proceedings of the 2nd conference of the Working Group of IAU Commission 9, held in Athens, Greece, May 20-25, 1996. Eds. E. Kontizas, M. Kontizas, D.H. Morgan, & G.P. Vettolani. Publisher: Dordrecht: Kluwer Academic Publishers, 1997, Astrophysics and Space Science Library, 212, 253
103. A Deep 20 cm Radio Mosaic of the ESP Galaxy Redshift Survey
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M.H., & Ekers, R.D. 1997, in Proc. of the 37th Herstmonceux Conf. "HST and the High Redshift Universe'', eds. N.L. Tanvir et al., p. 171
104. A Deep 20 cm Radio Mosaic of the ESP Galaxy Redshift Survey
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M.H., & Ekers, R.D. 1998, IAU Symp. N. 179, "New Horizons from Multi-Wavelength Sky Surveys'', eds. B.J. McLean et al., p. 353
105. Sub-arcsec radio imaging of jets in low luminosity radio galaxies
     Bondi, M., Parma, P., Fanti, R., de Ruiter, H., & Laing, R.A. 1998, IAU Coll. N. 164, "Radio emission from galactic and extragalactic compact sources'', eds. J.A. Zenzus, G.B. Taylor, & J.M. Wrobel, ASPC, 144, 89
106. The AT-ESP radio survey: goals, description, first results
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M.H., & Ekers, R.D 1999, Proc. of the Symp. "Looking deep in the Southern sky", eds. R. Morganti, & W.J. Couch, p. 114 (not in ADS)
107. Radiative ages in a representative sample of low-luminosity radio galaxies
     Murgia, M., Parma, P., Fanti, R., Morganti, R., Capetti, A., & de Ruiter, H.R. 1999, Mem. Soc. Astron. Ital., 70, 149
108. High frequency imaging of aged synchrotron emitting sources
     Murgia, M., Parma, P., de Ruiter, H.R., & Fanti, R. 2000, in "Perspectives on Radio Astronomy: Science with Large Antenna Arrays'', ed. M.P. van Haarlem, ASTRON, p. 195
109. The ATESP radio survey: optical identifications and spectroscopy in the EIS-A region
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Zanichelli, A., Wieringa, M.H., & Ekers, R.D. 2001, in "Deep fields", Proc. Of the ESO Workshop held in Garching (Germany), 9-12 October 2000, eds. S. Cristiani, A. Renzini, & R.E. Williams, p. 306
110. AGN and starburst galaxies seen through radio surveys
     Gregorini, L., Prandoni, I., de Ruiter, H.R., Parma, P., Vettolani, G., Zanichelli, A., Wieringa, M.H., & Ekers, R.D. 2001, Proc. Of the conference "The new era of wide-field astronomy", eds. R. Clowes, A. Adamson, & G. Bromage, ASP Conference Series, 232, 90
111. HST images of B2 radio galaxies: the link between circumnuclear dust and radio properties
     de Ruiter, H.R., Parma, P., Fanti, R., Capetti, A., & Morganti, R. 2001, in "The central kpc of starbursts and AGN: the La Palma Connection'', eds. J.H. Knapen, J.E. Beckman, I. Shloshman, & T.J. Mahoney, ASP Conf. Series, 249, 306
112. HI absorption from the central kpc of Radio Galaxies: an effect of orientation or of the interstellar medium?
     Morganti, R., Oosterloo, T., Tadhunter, C.N., Wills, K.A., van Moorsel, G., Capetti, A., Fanti, R., Parma, P., & de Ruiter, H.R. 2001, in "The central kpc of starbursts and AGN: the La Palma Connection'', eds. J.H. Knapen, J.E. Beckman, I. Shloshman, & T.J. Mahoney, ASP Conf. Series, 249, 632
113. AGN and starburst galaxies seen through radio surveys
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M.H.,& Ekers, R.D. 2001, Mem. Soc. Astron. Ital., 72, p. 171
114. The HST Survey of the B2 sample of low luminosity radio galaxies
     Capetti, A., de Ruiter, H.R., Fanti, R., Morganti, R., Parma, P., & Ulrich, M.H. 2001, Mem. Soc. Astron. Ital., 72, 105
115. Thin disks and HI absorption in the centre of low power radio galaxies
     Morganti, R., Peck, A. B., Oosterloo, T. A., Capetti, A., Parma, P., de Ruiter, H., Fanti, R., & van Moorsel, G. 2002, in "6th European VLBI Network Symposium on New Developments in VLBI Science and Technology", held in Bonn, June 25th-28th 2002, eds. E. Ros, R. W. Porcas, A. P. Lobanov, & J. A. Zensus, Max-Planck-Institut für Radioastronomie (Bonn), 171
116. The lives of FRI radio galaxies
     Parma, P., Murgia, M., de Ruiter, H.R., & Fanti, R. 2002, Proc. Of the workshop "Life cycles of radio galaxies", Baltimore. Eds. J. Biretta, A.M. Koekemoer, E.S. Perlman, & C.P. O'Dea, New Astronomy Reviews, 46, 313
117. The HST view of low luminosity radio galaxies
     Capetti, A., Celotti, A., Chiaberge, M., de Ruiter, H.R., Fanti, R., Morganti, R., & Parma, P. 2002, Proc. Of the conference "Issues in unification of active galactic nuclei", eds. R. Maiolino, A. Marconi, & N. Nagar, ASP Conference Series, 258, 159
118. Decelerating relativistic radio jets in B2 0755+37
     Bondi, M., Parma, P., de Ruiter, H.R., Fanti, R., & Laing, R. 2002, Proc. of the Oxford Workshop "Particles and Fields in radio galaxies", eds. R.A. Laing & K.M. Blundell, ASP Conference Series, 250, 276
119. A multi-frequency study of the radio galaxy NGC 326
     Murgia, M., Parma, P., Fanti, R., de Ruiter, H.R., Ekers, R.D., & Fomalont, E.B. 2002, Proc. of the Oxford Workshop "Particles and Fields in radio galaxies", eds. R.A. Laing & K.M. Blundell, ASP Conference Series, 250, 380
120. The VIRMOS-VLA Radio Survey
     Bondi, Marco, Gregorini, Loretta, Vettolani, Giampaolo, et al (de Ruiter) 2002, in "A New Era in Cosmology", eds. N. Metcalfe & T. Shanks, ASPC, 283, 123
121. The VIRMOS-VLA Survey
     Bondi, M., Ciliegi, P., Gregorini, L., Vettolani, G., Zamorani, G., Parma, P., de Ruiter, H.R., Bertin E., et al., on behalf of the VIRMOS Consortium 2002, Proc. Of the 3rd Marseille Conference "Where's the matter, tracing dark and bright matter with the new generation of large scale surveys", eds. L. Tresse & M. Treyer, p. 68
122. The nature of the faint radio population
     Prandoni, I., Gregorini, L., Parma, P., de Ruiter, H.R., Vettolani, G., Wieringa, M., & Ekers, R.D. 2002, Proc. Of the 3rd Marseille Conference "Where's the matter, tracing dark and bright matter with the new generation of large scale surveys", eds. L. Tresse & M. Treyer, p. 73
123. COSMO.LAB stereographic viewing of astronomical data
     De Ruiter, H.R. 2003, in "Effective Teaching and Learning of Astronomy", 25th meeting of the IAU, Special Session 4, 24-25 July, 2003 in Sydney, Australia, IAUSS, 4E, 19
124. Dying radio galaxies in clusters
     Parma, P., de Ruiter, H.R., Murgia, M., & Mack, K.-H. 2003, in "The Cosmic Cauldron", 25th meeting of the IAU, Joint Discussion 10, 18 July 2003, Sydney, Australia, IAUJD, 10E, 18
125. COSMO.LAB: software for stereographic viewing.
     De Ruiter, H.R. 2003, in "Large Telescops and Virtual Observatory: Visions for the Future", 25th meeting of the IAU, Joint Discussion 8, 17 July 2003, Sydney, Australia, IAUJD, 8E, 8
126. Two new optical jets in B2 radio galaxies
     Parma, P., de Ruiter, H.R., Fanti, R., Capetti, A., Morganti, R., Bondi, M., Laing, R.A., & Canvin, J.R. 2003, NewAR, 47, 435
127. Probing the faint radio population through multi-wavelength information
     Prandoni, I., Parma, P., Wieringa, M.H., Gregorini, L., de Ruiter, H.R., Vettolani, G., & Ekers, R.D. 2005, in "Multiwavelength mapping of galaxy formation and evolution", Proc. of the ESO Workshop held at Venice, Italy, 13-16 October 2003, Eds. A. Renzini & R. Bender, Springer Verlag, Berlin, p. 446
128. Dying radio galaxies
     Murgia, M., Parma, P., de Ruiter, H.R., Mack, K.-H., & Fanti, R. 2005, in "X- Ray and radio connections", conference held at Santa Fe, NM, USA, 3-6 February 2004, eds. L.O. Sjouwerman & K.K. Dyer, published electronically by NRAO.
129. Star-forming galaxies in the VVDS-VLA-02h Deep Field
     Ciliegi, P.,et al. (de Ruiter) 2005, in "The evolution of Starbursts", the 331st Wilhelm and Else Heraeus Seminar, AIP Conf. Proc., 783, 419
130. VLBI observations of faint radio galaxies with the inclusion of the SRT
     Venturi, T., Parma, P., & de Ruiter, H.R. 2006, Mem. Soc. Astron. Ital. S, 10, 111
131. Modeling the faint radiopopulation: the nanoJy radio sky
     Prandoni, I., de Ruiter, H.R., & Parma, P. 2007 in "Exploring the Cosmic Frontier. Astrophysical instruments for the 21st century", ESO Astrophysics Symposia, 2007, p. 139
132. A molecular gas study of low luminosity radio galaxies.
     Prandoni, I., Laing, R.A, Parma P., & De Ruiter H.R., Montenegro-Montes, F.M, Wilson, T.L. 2007, NewAR, 51, 43
133. Radio and Optical Properties of the Faint Radio Population.
     Gregorini, L., Prandoni, I., Mignano, A., et al. (de Ruiter) 2007, in "The Central Engine of Active Galactic Nuclei", Proceedings of the conference held 16-21 October, 2006 at Xi'an Jioatong University, Xi'an, China. Edited by Luis C. Ho & Jian-Min Wang, ASPC, 373, 738
134. A Search for Molecular Gas in Low-Luminosity Radio Galaxies.
     Prandoni, I., Laing, R. A., Parma, P., de Ruiter, H. R., Montenegro-Montes, F. M., & Wilson, T. L. 2007, in "From Z-Machines to ALMA: (Sub)Millimeter Spectroscopy of Galaxies", Proceedings of the conference held 12-14 January, 2006 at the North American ALMA Science Center, National Radio Astronomy Observatory, Charlottesville, Virginia, United States. Edited by Andrew J. Baker, Jason Glenn, Andrew I. Harris, Jeffrey G. Mangum and Min S. Yun., ASPC, 375, 271
135. The Core Fundamental Plane of B2 Radio Galaxies.
     Bettoni, D., Falomo, R., Parma, P., Fanti, R., & de Ruiter, H. 2007, in "From Stars to Galaxies: Building the Pieces to Build Up the Universe", Proceedings of the conference held 16-20 October 2006 at Istituto Veneto di Scienze, Lettere ed Arti, Venice, Italy. Edited by Antonella Vallenari, Rosaria Tantalo, Laura Portinari, and Alessia Moretti., ASPC, 374, 487
136. A view of the sub-mJy populations, modelling and perspectives for future deep surveys.
     Prandoni, I., Parma, P., Mignano, A., & de Ruiter, H. R., 2007, astroph0806.1623, in "From Planets to Dark Energy: The Modern Radio Universe", Proceedings of Science (PoS), Oct. 1-5, 2007, Manchester (UK)
137. The intra-cluster magnetic field power spectrum in Abell 2382
     Murgia, M, Guidetti, D., Govoni, F., Parma, P., de Ruiter, H.R., & Cameron, R.A. 2009, in "Magnetic field to the primordial universe", Supplementary CD, eds. A. Esquivel, J. Franco, G. Garcia-Segura, E.M. de Gouveia Dal Pino, A. Lazarian, S. Lizano, & A. Raga, Rivista Mexicana de Astronomia y Astrofisica (Serie de Conferencias), 36, CD342-344
138. A VLBI Study of dying and restarting sources.
     Parma, P., Mantovani, F., de Ruiter, H.R., Mack, K.-H., Murgia, M., & Govoni, F. 2010, in "Proceedings of the 10th European VLBI Network Symposium and EVN Users Meeting: VLBI and the new generation of radio arrays.", September 20-24, 2010. Manchester, U.K. Published online at:
     http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=125, id.89
139. Searching for molecular gas in southern radio galaxies.
     Prandoni, I., Laing, R. A., de Ruiter, H. R., & Parma, P. 2012, Journal of Physics Conference Series, 372, 012067

Other Publications

140. 0846+51W1.
     Arp, H.C., Willis, A.G, & de Ruiter, H. 1975, IAUC 2750
141. Faint extra galactic radio sources and their optical identifications
     De Ruiter, H.R. 1978, Ph.D. Thesis, University of Leiden
142. Book Reviews
     Hayakawa, S., Kuijpers, J., Kleczek, J., Valnicek, Boris, Kresak, L., de Ruiter, H. R. 1991, Space Science Reviews, Volume 57, Issue 1-2, pp. 189-192 (SSRv Homepage)
143. Distance, Volumes, Time Scales in Cosmology
     De Ruiter, H.R. 2005, 3rd revised edition June 2005