Spectrophotometry of galaxies in the Virgo cluster - II. The data G. Gavazzi, A. Zaccardo, G. Sanvito, A. Boselli and C. Bonfanti A&A, 417 2 (2004) 499-514 Published online: 19 March 2004 DOI: 10.1051/0004-6361:20034105