Complex X-ray morphology of Abell 3128: a distant cluster behind a disturbed cluster N. Werner, E. Churazov, A. Finoguenov, M. Markevitch, R. Burenin, J. S. Kaastra and H. Böhringer A&A, 474 3 (2007) 707-716 Published online: 23 October 2007 DOI: 10.1051/0004-6361:20077990