Tully, R. Brent; Courtois, Hélène M.; Dolphin, Andrew E.; Fisher, J. Richard; Héraudeau, Philippe; Jacobs, Bradley A.; Karachentsev, Igor D.; Makarov, Dmitry; Makarova, Lidia; Mitronova, Sofia; Rizzi, Luca; Shaya, Edward J.; Sorce, Jenny G.; Wu, Po-Feng (2013). “Cosmicflows-2: The Data”. The Astronomical Journal. 146 (4): 86. arXiv:1307.7213. Bibcode:2013AJ....146...86T. doi:10.1088/0004-6256/146/4/86.
Héraudeau, Philippe; Simien, François (1996). “Optical and I-band surface photometry of spiral galaxies. I. The data”. Astronomy and Astrophysics Supplement. 118: 111–155. Bibcode:1996A&AS..118..111H. doi:10.1051/aas:1996185.
Tully, R. Brent; Courtois, Hélène M.; Dolphin, Andrew E.; Fisher, J. Richard; Héraudeau, Philippe; Jacobs, Bradley A.; Karachentsev, Igor D.; Makarov, Dmitry; Makarova, Lidia; Mitronova, Sofia; Rizzi, Luca; Shaya, Edward J.; Sorce, Jenny G.; Wu, Po-Feng (2013). “Cosmicflows-2: The Data”. The Astronomical Journal. 146 (4): 86. arXiv:1307.7213. Bibcode:2013AJ....146...86T. doi:10.1088/0004-6256/146/4/86.
Héraudeau, Philippe; Simien, François (1996). “Optical and I-band surface photometry of spiral galaxies. I. The data”. Astronomy and Astrophysics Supplement. 118: 111–155. Bibcode:1996A&AS..118..111H. doi:10.1051/aas:1996185.