Orihiko Togawa
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Mutsuo Hattori, Masaharu Okano, Orihiko Togawa;
Sea bottom gamma ray measurement by naI(TI) scintillation spectrometers installed on manned submersibles, ROV and sea bottom long term observatory, Proceedings of the 2000 International Symposium on Underwater Technology,
pp. 212 - 217, May 2000.