@conference{ishida1991a, title = {A New Type Cassette Multichannel Digital Audio Tape Recorder}, author = {Ishida, Yoshinobu and Gotoh, Kenji and Tsukamoto, Manabu and Kondou, Yasuo and Ikeda, Shouki and Yamaguchi, Tetsuya}, booktitle = {Audio Engineering Society Convention 91}, month = {Oct}, year = {1991}, url = {https://www.aes.org/e-lib/browse.cfm?elib=5502} }