Albareti, FD; Prieto, CA; Almeida, A; Anders, F; Anderson, S; Andrews, BH; et al.(2017). The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point Observatory. Astrophysical Journal, Supplement Series, 233(2). doi: 10.3847/1538-4365/aa8992. Lawrence Berkeley National Laboratory: Lawrence Berkeley National Laboratory. Retrieved from: http://www.escholarship.org/uc/item/91g0w6f1
Blanton, MR; Bershady, MA; Abolfathi, B; Albareti, FD; Prieto, CA; Almeida, A; et al.(2017). Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe. Astronomical Journal, 154(1). doi: 10.3847/1538-3881/aa7567. Lawrence Berkeley National Laboratory: Lawrence Berkeley National Laboratory. Retrieved from: http://www.escholarship.org/uc/item/0v44n629