Angular correlation functions of X-ray point-like sources in the full exposure XMM-LSS field A. Elyiv, N. Clerc, M. Plionis, J. Surdej, M. Pierre, S. Basilakos, L. Chiappetti, P. Gandhi, E. Gosset, O. Melnyk and F. Pacaud A&A, 537 (2012) A131 Published online: 20 January 2012 DOI: 10.1051/0004-6361/201117983