SOFSEM 2000 : theory and practice of informatics : 27th Conference on Current Trends in Theory and Practice of Informatics : Milovy, Czech Republic, November 25- December 2, 2000 : proceedings - Hlaváč, Václav, 1956-; Jeffery, Keith 1947-; Wiedermann, Jiří, 1948- (Lecture notes in computer science ;, 2000)