Anderson, S. F., Voges, W., Margon, B., Trümper, J., Agüeros, M. A., Boller, T., Collinge, M. J., Homer, L., Stinson, G.,
Strauss, M. A., Annis, J., Gómez, P., Hall, P. B., Nichol, R. C., Richards, G. T., Schneider, D. P., Vanden Berk, D. E., Fan,
X., Ivezić, Ž., Munn, J. A., Newberg, H. J., Richmond, M. W., Weinberg, D. H., Yanny, B., Bahcall, N. A., Brinkmann, J., Fukugita,
M., & York, D. G. (2003). A large, uniform sample of X-ray-emitting AGNs: selection
approach and an initial catalog from the ROSAT All-Sky and Sloan Digital Sky Surveys. The Astronomical
Journal, 126, 2209-2229.
