A Virgo high-resolution Hα kinematical survey - I. NGC 4438 L. Chemin, V. Cayatte, C. Balkowski, P. Amram, C. Carignan, A. Boselli, C. Adami, M. Marcelin, O. Garrido, O. Hernandez and J. Boulesteix A&A, 436 2 (2005) 469-478 Published online: 30 May 2005 DOI: 10.1051/0004-6361:20041664