Viliam Geffert, Juhani Karhumäki, Alberto Bertoni, Bart Preneel, Pavol Návrat, Mária Bieliková: 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, Volume II - Student Research Forum. Safarik University, Kosice, Slovakia 2008, ISBN 978-80-7097-697-5