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Koji Nakamura
Res. Inst. of North Pacific Fisheries, Faculty of Fisheries, Hokkaido University
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Tomonari Akamatsu
National Research Institute of Fisheries Engineering
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A. David Goodson
Underwater Acoustics Group-Bioacoustics & Sonar, Electronic & Electrical Engineering Department, Loughborough University
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Kenji Kagoshima
Otaru Aquarium
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Kenji Shimazaki
Res. Inst. of North Pacific Fisheries, Faculty of Fisheries, Hokkaido University