Citation:
Ahn, Christopher P, Rachael Alexandroff, Carlos Allende Prieto, Scott F Anderson, Timothy Anderton, Brett H Andrews, Éric Aubourg, et al.. 2012. “The Ninth Data Release Of The Sloan Digital Sky Survey: First Spectroscopic Data From The Sdss-Iii Baryon Oscillation Spectroscopic Survey”. \Apjs 203: 21. doi:10.1088/0067-0049/203/2/21.