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Sayuti ARIGAYO
The Institute of Natural Sciences, Padjadjaran University
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Kanzo SAKATA
The Institute of Natural Sciences, Padjadjaran University Present address : Department of Agricultural Chemistry, Shizuoka University
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Sachiko FUJISAWA
Department of Agricultural Chemistry, The University of Tokyo
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Akira SAKURAI
The Institute of Physical and Chemical Research
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Sasongko S. ADISEWOJO
The Institute of Natural Sciences, Padjadjaran University
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Nobutaka TAKAHASHI
The Institute of Physical and Chemical Research Department of Agricultural Chemistry, The University of Tokyo