Jirí Wiedermann, Gerard Tel, Jaroslav Pokorný, Mária Bieliková, Julius Stuller: SOFSEM 2006: Theory and Practice of Computer Science, 32nd Conference on Current Trends in Theory and Practice of Computer Science, Merín, Czech Republic, January 21-27, 2006, Proceedings. Lecture Notes in Computer Science 3831, Springer 2006, ISBN 3-540-31198-X