Jacek Jankowski Izabela Irzynska Bill McDaniel Stefan Decker 2LIPGarden: 3D hypermedia for everyone. 129-134 2009 Hypertext http://doi.acm.org/10.1145/1557914.1557938 conf/ht/2009 db/conf/ht/ht2009.html#JankowskiIMD09