Steve Benford John Bowers Paul Chandler Luigina Ciolfi Martin Flintham Mike Fraser Chris Greenhalgh Tony Hall Sten-Olof Hellström Shahram Izadi Tom Rodden Holger Schnädelbach Ian Taylor Unearthing Virtual History: Using Diverse Interfaces to Reveal Hidden Virtual Worlds. 225-231 2001 conf/huc/2001 Ubicomp http://link.springer.de/link/service/series/0558/bibs/2201/22010225.htm db/conf/huc/ubicomp2001.html#BenfordBCCFFGHHIRST01