The Century Survey Galactic Halo Project. III. a Complete 4300 DEG Survey of Blue Horizontal Branch Stars in the Metal-Weak Thick Disk and Inner Halov. 135564–574
Brown, Warren R., Beers, Timothy C., Wilhelm, Ronald, Allende Prieto, Carlos, Geller, Margaret J., Kenyon, Scott J., and Kurtz, Michael J. 2008. "The Century Survey Galactic Halo Project. III. a Complete 4300 DEG2 Survey of Blue Horizontal Branch Stars in the Metal-Weak Thick Disk and Inner Halo." The Astronomical Journal, 135 564–574.