Kleinman, S. J., Kepler, S. O., Koester, D., Pelisoli, Ingrid, Peçanha, Viviane, Nitta, A., Costa, J. E. S., Krzesinski, J., Dufour, P., Lachapelle, F. R., Bergeron, P., Yip, Ching-Wa, Harris, Hugh C., Eisenstein, Daniel J., Althaus, L., and Córsico, A. 2013. "SDSS DR7 White Dwarf Catalog." The Astrophysical Journal Supplement Series, 204 5. https://doi.org/10.1088/0067-0049/204/1/5.