FreeWalk: Supporting Casual Meetings in a Network. - Hideyuki Nakanishi; Chikara Yoshida; Toshikazu Nishimura; Toru Ishida 001 (CSCW, 1996)

Applying videogame technologies to video conferencing systems. - Toshikazu Nishimura; Hideyuki Nakanishi; Chikara Yoshida; Toru Ishida 001 (SAC, 1998)

FreeWalk: A 3D Virtual Space for Casual Meetings. - Hideyuki Nakanishi; Chikara Yoshida; Toshikazu Nishimura; Toru Ishida 001 (IEEE Multim., 1999)