Simon Prince Adrian David Cheok Farzam Farbiz Todd Williamson Nikolas Johnson Mark Billinghurst Hirokazu Kato 3-D live: real time interaction for mixed reality. 364-371 2002 conf/cscw/2002 CSCW http://doi.acm.org/10.1145/587078.587129 db/conf/cscw/cscw2002.html#PrinceCFWJBK02