Distant Cluster Hunting. II. A Comparison of X-Ray and Optical Cluster Detection Techniques and Catalogs from the ROSAT Optical X-Ray Survey
M. Donahue, C.A. Scharf, J. Mack, P. Lee, M. Postman, P. Rosati, M. Dickinson, M. Voit, and J. Stocke, The Astrophysical Journal, 569, 689, 2002.
http://dx.doi.org/10.1086/339401
