Stefan Conrad 0003 Ernst Kruijff Martin Suttrop Frank Hasenbrink Alex Lechner A Storytelling Concept for Digital Heritage Exchange in Virtual Environments. 235-238 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2897&spage=235 2003 conf/storytelling/2003 International Conference on Virtual Storytelling db/conf/storytelling/storytelling2003.html#ConradKSHL03