Michael Dittenbach Helmut Berger Ronald Genswaider Andreas Pesenhofer Andreas Rauber Thomas Lidy Dieter Merkl Shaping 3D multimedia environments: the MediaSquare. 85-88 2007 conf/civr/2007 CIVR http://doi.acm.org/10.1145/1282280.1282292 db/conf/civr/civr2007.html#DittenbachBGPRLM07