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中国科学院文献情报中心机构知识库
Knowledge Commons of National Science Library，CAS
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中国科学院文献情报中... [1]
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2001 [1]
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中文 [1]
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现代情报 [1]
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知识经济与创新
期刊论文
现代情报, 2001
Authors:
李国红
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Submit date：2009/06/22
