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S Takeyama
Fac. of Science, Himeji Institute of Technology(HIT)
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S Adachi
Fac. of Science, Himeji Institute of Technology(HIT)
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Y Takagi
Fac. of Science, Himeji Institute of Technology(HIT)
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T Karasawa
Osaka City Univ.
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I Akai
Osaka City Univ.
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T Komatsu
Osaka City Univ.
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V.F Aguekian
Institute of Physics, St. Petersburg Univ.