Properties of the Galactic population of cataclysmic variables in hard X-rays M. Revnivtsev, S. Sazonov, R. Krivonos, H. Ritter and R. Sunyaev A&A, 489 3 (2008) 1121-1127 Published online: 11 September 2008 DOI: 10.1051/0004-6361:200810213