LaMassa, S., Civano, F., Brusa, M., Stern, D., Glikman, E., Gallagher, S., et al. (2016). On R-W1 as A Diagnostic to Discover Obscured Active Galactic Nuclei in Wide-area X-Ray Surveys. Astrophysical Journal, 818: 88, pp. 88. doi:10.3847/0004-637X/818/1/88.