Kinematic properties of gas and stars in 20 disc galaxies J. C. Vega Beltrán, A. Pizzella, E. M. Corsini, J. G. Funes S. J., W. W. Zeilinger, J. E. Beckman and F. Bertola A&A, 374 2 (2001) 394-411 Published online: 15 August 2001 DOI: 10.1051/0004-6361:20010625