Galaxy populations of double cluster RX J1053.7+5735 at z = 1.13 Yasuhiro Hashimoto, J. Patrick Henry, G. Hasinger, G. Szokoly and M. Schmidt A&A, 439 1 (2005) 29-33 Published online: 22 July 2005 DOI: 10.1051/0004-6361:20042112