Penny, Simon ; Smith, Jeffrey ; Bernhardt, Andre. — «Traces : wireless full body tracking in the cave». — Proceedings of the 9th international conference on artificial reality and telexistence. — Tokyo : Virtual Reality Society of Japan, 1999. — P. [?]. Also available on the Internet : {{http://www.ace.uci.edu/penny/texts/traces/}} [ref. June 11, 2001].