Kenji Hikichi Yasuhiko Yasuda Akifumi Fukuda Kaoru Sezaki The effect of network delay on remote calligraphic teaching with haptic interfaces. 12 2006 conf/netgames/2006 NETGAMES http://doi.acm.org/10.1145/1230040.1230077 db/conf/netgames/netgames2006.html#HikichiYFS06