Fe K emission from active galaxies in the COSMOS field K. Iwasawa, V. Mainieri, M. Brusa, A. Comastri, R. Gilli, C. Vignali, G. Hasinger, D. B. Sanders, N. Cappelluti, C. D. Impey et al. (7 more) A&A, 537 (2012) A86 Published online: 13 January 2012 DOI: 10.1051/0004-6361/201118203