Characterization of new hard X-ray cataclysmic variables F. Bernardini, D. de Martino, M. Falanga, K. Mukai, G. Matt, J.-M. Bonnet-Bidaud, N. Masetti and M. Mouchet A&A, 542 (2012) A22 Published online: 28 May 2012 DOI: 10.1051/0004-6361/201219233