The velocity field of UGC 6697 revisited G. Gavazzi, M. Marcelin, A. Boselli, P. Amram, J. M. Vílchez, J. Iglesias-Paramo and M. Tarenghi A&A, 377 3 (2001) 745-758 Published online: 15 October 2001 DOI: 10.1051/0004-6361:20010991