The Cosmic Evolution Survey (COSMOS): Subaru Observations of the HST Cosmos Field Newer:The XMM-Newton Wide-Field Survey in the COSMOS Field. IV. X-Ray Spectral Properties of Active Galactic NucleiOlder:The XMM-Newton Wide-Field Survey in the COSMOS Field: Statistical Properties of Clusters of Galaxies PostedNovember 30, 2006 AuthorScienceSites Categories2007