Palle Klante Jens Krösche Daniela Ratt Susanne Boll First-year students' paper chase: a mobile location-aware multimedia game. 934-935 2004 conf/mm/2004 ACM Multimedia http://doi.acm.org/10.1145/1027527.1027740 db/conf/mm/mm2004.html#KlanteKRB04