RX J0256.5+0006: A merging cluster of galaxies at z = 0.36 observed with XMM-NEWTON S. Majerowicz, D. M. Neumann, A. K. Romer, R. C. Nichol, D. J. Burke and C. A. Collins A&A, 425 1 (2004) 15-32 Published online: 10 September 2004 DOI: 10.1051/0004-6361:20048005