Molecular gas in NUclei of GAlaxies (NUGA) - II. The ringed LINER NGC 7217 F. Combes, S. García-Burillo, F. Boone, L. K. Hunt, A. J. Baker, A. Eckart, P. Englmaier, S. Leon, R. Neri, E. Schinnerer and L. J. Tacconi A&A, 414 3 (2004) 857-872 Published online: 27 January 2004 DOI: 10.1051/0004-6361:20031664