ITI 2004 : poster abstracts of the 26th International conference on information technology interfaces, June 7-10, 2004, Cavtat, Croatia : editors Vesna Lužar-Stiffler, Vesna Hljuz Dobrić - Lužar-Stiffler, Vesna; Hljuz Dobrić, Vesna (SRCE University Computing Center, University of Zagreb, 2004)