Hiroaki Nakai Yasuhiro Taniguchi Michihiro Uenohara Takashi Yoshimi Hideki Ogawa Fumio Ozaki Junji Oaki Hirokazu Sato Yukio Asari Katsuhiro Maeda Hiroyuki Banba Toshi Okada Kyoichi Tatsuno Eiji Tanaka Osamu Yamaguchi Mitsuyoshi Tachimori A Volleyball Playing Robot. 1083-1089 1998 conf/icra/1998 ICRA db/conf/icra/icra1998-2.html#NakaiTUYOOOSAMBOTTYT98 http://dx.doi.org/10.1109/ROBOT.1998.677234