文章摘要
  
DOI：10.3969/j.issn.1004-874X.2010.04.098
Author NameAffiliation
欧文凯, 张禄祥 华南农业大学经济管理学院,广东,广州,510642
广东省农科院科技情报研究所,广东,广州,510640 
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