Vector Bundles on Curves - New Directions Lectures given at the 3rd Session of the Centro Internazionale Matematico Estivo (C.I.M.E.), held in Cetraro (Cosenza), Italy, June 19-27, 1995 - Kumar, Shrawan; Kumar, Shrawan; Laumon, Gérard; Stuhler, Ulrich (Springer Berlin Heidelberg : Imprint: Springer, 1997)