A Method for Measuring Depth Using Fuzzy Reasoning and a Modified Implicit Function. - Kazuo Yamaha; Hiroshi Tominaga; Tatsuya Nakamura; Yoichi Miyake (J. Robotics Mechatronics, 1993)

Three dimensional input function using nonverbal voice interface. - Hiroshi Tominaga; Tatsuhiro Yonekura (VRST, 1996)

A proposal of an auditory interface for the virtual three-dimensional space. - Hiroshi Tominaga; Tatsuhiro Yonekura (Syst. Comput. Jpn., 1999)