X-ray properties in massive galaxy clusters: XMM-Newton observations of the REFLEX-DXL sample Y.-Y. Zhang, H. Böhringer, A. Finoguenov, Y. Ikebe, K. Matsushita, P. Schuecker, L. Guzzo and C. A. Collins A&A, 456 1 (2006) 55-74 Published online: 23 August 2006 DOI: 10.1051/0004-6361:20053650