Takao Asano Norishige Chiba Geoffrey Exoo András Frank Frank Harary S. Kikuchi Kazuhiko Matsumoto Mamoru Miura Kazunobu Muraoka Shin-Ichi Nakano Hiroyuki Nakayama Takao Nishizeki Ken Ohshida Hitoshi Suzuki Kiminobu Suzuki K. Takamizawa