Hα3: an Hα imaging survey of HI selected galaxies from ALFALFA - II. Star formation properties of galaxies in the Virgo cluster and surroundingsG. Gavazzi, M. Fumagalli, M. Fossati, V. Galardo, F. Grossetti, A. Boselli, R. Giovanelli and M. P. HaynesA&A, 553 (2013) A89DOI: https://doi.org/10.1051/0004-6361/201218789