@phdthesis{instance1548,
	 title = {{Virtual reality based information systems and their applications in the field of tourism}},
	 author = {Korn{\'e}l Szabó},
	 year = {1998},
	 school = {University of Zurich, Department of Informatics},
	 Date-Added = {2026-08-02 22:38:36},
	 Date-Modified = {2026-08-03 07:32:24}
}