Enigmas from the Sloan Digital Sky Survey DR7 Kleinman White dwarf Catalog
Citation
Liebert, J, Ferrario, L, Wickramasinghe, D et al. 2015, 'Enigmas from the Sloan Digital Sky Survey DR7 Kleinman White dwarf Catalog', The Astrophysical Journal, vol. 804, no. 2, pp. 1-3.