On behalf of the XMM-Newton Survey Science Centre
INFRARED SELECTED HIGHLY OBSCURED QSO
HST Workshop Bologna Jan 31, 2008 Heavily obscured SMBH at high redshift Andrea Comastri INAF - OABologna C. Vignali, R. Gilli, K. Iwasawa, F. Civano,
The Evolution of AGN Obscuration
The Evolution of Super-Massive Black Holes
Heavily obscured SMBH at high redshift
