The 5–10 keV AGN luminosity function at 0.01 < z < 4.0 S. Fotopoulou, J. Buchner, I. Georgantopoulos, G. Hasinger, M. Salvato, A. Georgakakis, N. Cappelluti, P. Ranalli, L. T. Hsu, M. Brusa et al. (5 more) A&A, 587 (2016) A142 Published online: 03 March 2016 DOI: 10.1051/0004-6361/201424763