An XMM-Newton spatially-resolved study of metal abundance evolution in distant galaxy clusters A. Baldi, S. Ettori, S. Molendi, I. Balestra, F. Gastaldello and P. Tozzi A&A, 537 (2012) A142 Published online: 24 January 2012 DOI: 10.1051/0004-6361/201117836