Adelman-McCarthy, Jennifer K., Agueros, Marcel, Allam, Sahar S., Allende Prieto, Carlos, Anderson, Kurt S. J., Anderson, Scott F., Annis, James, Bahcall, Neta A., Bailer-Jones, C. A. L., Baldry, Ivan K., Barentine, J. C., Bassett, Bruce A., Becker, Andrew C., Beers, Timothy C., Bell, Eric F., Berlind, Andreas A., Bernardi, Mariangela, Blanton, Michael R., Bochanski, John J., Boroski, William N., Brinchmann, Jarle, Brinkmann, J., Brunner, Robert J., Budavári, Tamás, Carliles, Samuel et al. 2008. "The Sixth Data Release of the Sloan Digital Sky Survey." The Astrophysical Journal Supplement Series, 175 297–313. https://doi.org/10.1086/524984.