2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14959We have performed simulations of the effectiveness of the Serendipitous High-redshift Archival ROSAT Cluster (SHARC) survey for various model universes. We find, in agreement with work based on a preliminary set of simulations no statistically significant evolution of the luminosity function out to z = 0.8.5 pages, 4 Postscript figures, IGRAP-Marseille conf. June 1999Astrophysicstext