120-Channel Transmultiplexer Design and Performance. - Tomonori Aoyama; Fumio Mano; Kiyohisa Wakabayashi; Rikio Maruta; Atsushi Tomozawa (IEEE Trans. Commun., 1980)

TDM-FDM Transmultiplexer Using a Digital Signal Processor. - Kiyohisa Wakabayashi; Tomonori Aoyama; Kazuo Murano; Fumio Amano (IEEE Trans. Commun., 1982)