Stangl P, Kilgour F G
Bull Med Libr Assoc. 1967 Jul;55(3):290-300.
Analysis of book and journal circulation is based on cancelled charge slips collected over a one-year period in the Yale Medical Library. About two-fifths of material circulated were monographs. Books and journals in seven subject fields provided over half of the circulation. Approximately two-thirds of both books and journals used had been published during the most recent nine years. A subject-by-subject examination of the ratio of books to journals circulating revealed that, in subjects where proportionally more journals than books were taken out of the Library, books were of more recent imprint dates than were journals, contrary to the overall pattern. Date distribution of books and journals by subject was also studied. Results are illustrated with graphs and tables.
对图书和期刊流通情况的分析基于耶鲁医学图书馆在一年时间里收集的注销借书单。流通的资料中约五分之二是专著。七个学科领域的图书和期刊提供了超过一半的流通量。所使用的图书和期刊中约三分之二是在最近九年出版的。对图书与期刊流通比例进行的逐个学科审查显示，在那些从图书馆借出的期刊比例相对高于图书的学科中，图书的出版日期比期刊更新，这与总体模式相反。还研究了按学科划分的图书和期刊的日期分布情况。结果用图表进行了说明。
