[目的/意义] 为探索图书的老化速度与引文特征，更客观地评价图书的学术价值和利用规律。[方法/过程] 对汤森路透WoS平台中图书引文索引（Book Citation Index）中2012-2014年间的图书情报学学科图书的引文数据进行引用半衰期、被引半衰期的计量，并与WoS中该学科的期刊引文半衰期、被引半衰期做分析比较。[结果/结论] 对比结果显示，该学科图书引用半衰期大于期刊引用半衰期，图书被引半衰期要小于期刊被引半衰期，并从图书的引文和被引规律分析造成这种差异的原因。
[Purpose/significance] This paper aims to explore the obsolescence and citation features of books, and evaluate the academic value and utilization laws of books more objectively.[Method/process] The paper captures the citation data of the books in the field of LIS (Library and Information Science) during the year from 2012 to 2014 on the Book Citation Index, measures the citing half-life and cited half-life, and compares with the journal of the same discipline.[Result/conclusion] This paper draws a conclusion that the book citing half-life is longer than journal, and the book cited half-life is shorter than journal. Finally, it analyses the reason which causes the difference between book citing and cited.
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