The XMM deep survey in the CDF-S - VI. Obscured AGN selected as infrared power-law galaxiesN. Castelló-Mor, F. J. Carrera, A. Alonso-Herrero, S. Mateos, X. Barcons, P. Ranalli, P. G. Pérez-González, A. Comastri, C. Vignali and I. GeorgantopoulosA&A, 556 (2013) A114DOI: https://doi.org/10.1051/0004-6361/201321457