Dimitri Pourbaix; Tara Murphy; David W. Hogg; István Csabai; Daniel B. Zucker; Eric F. Bell; Eva Grebel; Paola Re Fiorentin; Martin C. Smith; Avery Meiksin (). „The seventh data release of the Sloan Digital Sky Survey”. The Astrophysical Journal Supplement Series. 182 (2): 543–558. arXiv:0812.0649. Bibcode:2009ApJS..182..543A. doi:10.1088/0067-0049/182/2/543. WikidataQ56002067.
Dimitri Pourbaix; Tara Murphy; David W. Hogg; István Csabai; Daniel B. Zucker; Eric F. Bell; Eva Grebel; Paola Re Fiorentin; Martin C. Smith; Avery Meiksin (). „The seventh data release of the Sloan Digital Sky Survey”. The Astrophysical Journal Supplement Series. 182 (2): 543–558. arXiv:0812.0649. Bibcode:2009ApJS..182..543A. doi:10.1088/0067-0049/182/2/543. WikidataQ56002067.
Dimitri Pourbaix; Tara Murphy; David W. Hogg; István Csabai; Daniel B. Zucker; Eric F. Bell; Eva Grebel; Paola Re Fiorentin; Martin C. Smith; Avery Meiksin (). „The seventh data release of the Sloan Digital Sky Survey”. The Astrophysical Journal Supplement Series. 182 (2): 543–558. arXiv:0812.0649. Bibcode:2009ApJS..182..543A. doi:10.1088/0067-0049/182/2/543. WikidataQ56002067.
Dimitri Pourbaix; Tara Murphy; David W. Hogg; István Csabai; Daniel B. Zucker; Eric F. Bell; Eva Grebel; Paola Re Fiorentin; Martin C. Smith; Avery Meiksin (). „The seventh data release of the Sloan Digital Sky Survey”. The Astrophysical Journal Supplement Series. 182 (2): 543–558. arXiv:0812.0649. Bibcode:2009ApJS..182..543A. doi:10.1088/0067-0049/182/2/543. WikidataQ56002067.