THE<i>XMM-NEWTON</i>WIDE FIELD SURVEY IN THE COSMOS FIELD: REDSHIFT EVOLUTION OF AGN BIAS AND SUBDOMINANT ROLE OF MERGERS IN TRIGGERING MODERATE-LUMINOSITY AGNs AT REDSHIFTS UP TO 2.2V. Allevato, A. Comastri, N. Cappelluti et al.|The Astrophysical Journal|2011Cited by 148