Hα surface photometry of galaxies in the Virgo cluster III. Observations with INT and NOT 2.5 m telescopesA. Boselli, J. Iglesias-Páramo, J. M. Vílchez and G. GavazziA&A, 386 1 (2002) 134-139DOI: https://doi.org/10.1051/0004-6361:20020216