HST Workshop Bologna Jan 31, 2008 Heavily obscured SMBH at high redshift Andrea Comastri INAF - OABologna C. Vignali, R. Gilli, K. Iwasawa, F. Civano,
High Energy Large Area Surveys, the history of accretion in the Universe and galaxy evolution Fabrizio Fiore and the HELLAS2XMM collaboration: (A. Baldi,
High Energy Large Area Surveys, the history of accretion in the Universe and galaxy evolution
Heavily obscured SMBH at high redshift
