Aleksandr Mosenkov, R. Michael Rich, Andreas Koch, Noah Brosch, David Thilker, Javier Roman, Oliver Müller et Anton Smirnov, « The haloes and environments of nearby galaxies (HERON) – II. The outer
structure of edge-on galaxies », Monthly Notices of the Royal Astronomical Society, vol. 494, no 2, , p. 1751-1770 (DOI10.1093/mnras/staa678, lire en ligne [html])
B. Binggeli, A. Sandage et G.A. Tammann, « Studies of the Virgo cluster. II. A catalog of 2096 galaxies in the Virgo cluster area. », Astronomical Journal, vol. 90, , p. 1681-1758 (DOI10.1086/113874, Bibcode1985AJ.....90.1681B)
Abraham Mahtessian, « Groups of galaxies. III. Some empirical characteristics », Astrophysics, vol. 41, no 3, , p. 308-321 (DOI10.1007/BF03036100, lire en ligne, consulté le )
B. Binggeli, A. Sandage et G.A. Tammann, « Studies of the Virgo cluster. II. A catalog of 2096 galaxies in the Virgo cluster area. », Astronomical Journal, vol. 90, , p. 1681-1758 (DOI10.1086/113874, Bibcode1985AJ.....90.1681B)
A.M. Garcia, « General study of group membership. II -Determination of nearby groups », Astronomy and Astrophysics Supplement Series, vol. 100 #1, , p. 47-90 (Bibcode1993A&AS..100...47G, lire en ligne)|format=PDF
articles.adsabs.harvard.edu
A.M. Garcia, « General study of group membership. II -Determination of nearby groups », Astronomy and Astrophysics Supplement Series, vol. 100 #1, , p. 47-90 (Bibcode1993A&AS..100...47G, lire en ligne)|format=PDF
Aleksandr Mosenkov, R. Michael Rich, Andreas Koch, Noah Brosch, David Thilker, Javier Roman, Oliver Müller et Anton Smirnov, « The haloes and environments of nearby galaxies (HERON) – II. The outer
structure of edge-on galaxies », Monthly Notices of the Royal Astronomical Society, vol. 494, no 2, , p. 1751-1770 (DOI10.1093/mnras/staa678, lire en ligne [html])
Abraham Mahtessian, « Groups of galaxies. III. Some empirical characteristics », Astrophysics, vol. 41, no 3, , p. 308-321 (DOI10.1007/BF03036100, lire en ligne, consulté le )