Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe - Blanton, Michael R.; Bershady, Matthew A.; Abolfathi, Bela; Albareti, Franco D.; Allende Prieto, Carlos; Almeida, Andrés; Alonso-García, Javier; Anders, Friedrich; Anderson, Scott F.; Andrews, Brett; Aquino-Ortíz, Erik; Aragón-Salamanca, Alfonso; et al. (\aj, 2017)
Keywords: Astrophysics - Astrophysics of Galaxies; cosmology: observations; galaxies: general; Galaxy: general; instrumentation: spectrographs; stars: general; surveys