The XMM-Newton Wide-Field Survey in the COSMOS Field. III. Optical Identification and Multiwavelength Properties of a Large Sample of X-Ray-Selected Sources Newer:The XMM-Newton Wide-Field Survey in the COSMOS Field: Statistical Properties of Clusters of GalaxiesOlder:zCOSMOS: A Large VLT/VIMOS Redshift Survey Covering 0 < z < 3 in the COSMOS Field PostedNovember 21, 2006 AuthorScienceSites Categories2007