The red-sequence of 72 WINGS local galaxy clusters T. Valentinuzzi, B. M. Poggianti, G. Fasano, M. D’Onofrio, A. Moretti, M. Ramella, A. Biviano, J. Fritz, J. Varela, D. Bettoni et al. (7 more) A&A, 536 (2011) A34 Published online: 05 December 2011 DOI: 10.1051/0004-6361/201117522