SOFSEM 2008: Theory and practice of Computer Science 34th Conference on Current Trends in Theory and Practice of Computer Science Nový Smokovec, Slovakia, January 19-25, 2008 - Geffert, Viliam; Karhumäki, Juhani; Preneel, Bart; Návrat, Pavol, 1952-; Bieliková, Mária, 1966- (Lecture Notes in Computer Science, 2008)