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By "Yu, Chengru 俞诚如 "
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ri ben chu chong ju diao cha 日本除虫菊调查
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By: Yu, Chengru 俞诚如
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Publication info: zhong guo hua xue gong ye she 中国化学工业社,
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Holding Institution: Institute of Botany, Chinese Academy of Sciences
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