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农业资源环境类核心期刊引文量的年度分布特征
引用本文:李云霞.农业资源环境类核心期刊引文量的年度分布特征[J].编辑学报,2008,20(2):177-178.
作者姓名:李云霞
作者单位:中国农业科学院农业信息研究所,100081,北京
摘    要:对12种农业资源环境类核心期刊引用期刊文献和图书文献的数量分时段进行统计分析。结果表明:期刊文献引用量高于图书文献;中文文献引用量变异系数小于外文文献;近期文献引用量变异程度高于远期文献。

关 键 词:农业资源环境类核心期刊  期刊文献  图书文献  变异系数  引文量年度变化
收稿时间:2007/7/22 0:00:00
修稿时间:2007年7月22日

Distribution characteristic analysis of references for core journals of agricultural resources and environment
LI Yunxia.Distribution characteristic analysis of references for core journals of agricultural resources and environment[J].Acta Editologica,2008,20(2):177-178.
Authors:LI Yunxia
Institution:LI Yunxia Agricultural Information Institute of Chinese Academy of Agricultural Sciences,100081,Beijing,China
Abstract:Distribution characteristics of references for core journals of agricultural resources and environment are analyzed.The results show that the references in journals are more than that in books;the variation coefficient of Chinese language reference amount is less than that of foreign language references;the variation coefficient of references in recent years is greater than that in bygone years.
Keywords:core journal of agricultural resources and environment  journal literature  book literature  variation coefficient  yearly distribution of references  
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