The XXL Survey - XXXV. The role of cluster mass in AGN activity E. Koulouridis, M. Ricci, P. Giles, C. Adami, M. Ramos-Ceja, M. Pierre, M. Plionis, C. Lidman, I. Georgantopoulos, L. Chiappetti et al. (8 more) A&A, 620 (2018) A20 Published online: 20 November 2018 DOI: 10.1051/0004-6361/201832974