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Yoshio Yamasaki
School of Science and Engineering, Waseda University
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Hideki Tachibana
Institute of Industrial Science, University of Tokyo
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Masayuki Morimoto
Faculty of Engineering, Kobe University
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Yoshio Hirasawa
Acoustical Research Laboratory, ONKYO Co.
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Zyun-iti Maekawa
Faculty of Engineering, Kobe University