Calculus of Variations and Geometric Evolution Problems Lectures given at the 2nd Session of the Centro Internazionale Matematico Estivo (C.I.M.E.)held in Cetaro, Italy, June 15-22, 1996 - Bethuel, F.; Bethuel, F.; Huisken, G.; Mueller, S.; Steffen, K. (Springer Berlin Heidelberg : Imprint: Springer, 1999)