Tully-Fisher analysis of the multiple cluster system Abell 901/902 B. Bösch, A. Böhm, C. Wolf, A. Aragón-Salamanca, B. L. Ziegler, M. Barden, M. E. Gray, M. Balogh, K. Meisenheimer and S. Schindler A&A, 554 (2013) A97 Published online: 11 June 2013 DOI: 10.1051/0004-6361/201321561