Star Formation Efficiency in Clusters and in Field Galaxies Donas, J. ; Buat, V. ; Boselli, A. ; Gavazzi, G. ; Lequeuz, J. ; Casoli, F. ; Dickey, J. Abstract Publication: The Interplay Between Massive Star Formation, the ISM and Galaxy Evolution Pub Date: 1996 Bibcode: 1996ibms.conf..559D