Position-velocity diagrams of ionized gas in the inner regions of disk galaxiesJ. G. Funes, E. M. Corsini, M. Cappellari, A. Pizzella, J. C. Vega Beltrán, C. Scarlata and F. BertolaA&A, 388 1 (2002) 50-67DOI: https://doi.org/10.1051/0004-6361:20020406