The Hubble sequence: just a vestige of merger events? F. Hammer, H. Flores, M. Puech, Y. B. Yang, E. Athanassoula, M. Rodrigues and R. Delgado A&A, 507 3 (2009) 1313-1326 Published online: 01 October 2009 DOI: 10.1051/0004-6361/200912115