Baseband Pulse Transmission in a Chain of Analog Repeaters. - Yoshitaka Takasaki; Narimichi Maeda (IEEE Trans. Commun., 1974)

Optical Pulse Formats for Fiber Optic Digital Communications. - Yoshitaka Takasaki; Mitsuo Tanaka; Narimichi Maeda; Kiichi Yamashita; Katsuyuki Nagano (IEEE Trans. Commun., 1976)