High-Speed Digital and Analog Parallel Transmission Technique Over Single Telephone Channel. - Fumio Akashi; Yoichi Sato 004; Mikiro Eguchi (IEEE Trans. Commun., 1982)

A Practical Approach Toward Maximum Likelihood Sequence Estimation for Band-Limited Nonlinear Channels. - Yukitsuna Furuya; Fumio Akashi; Shuji Murakami (IEEE Trans. Commun., 1983)