美国国立医学图书馆收到的馆际互借请求比较：1959年与1984年。
A comparison of interlibrary loan requests received by the National Library of Medicine: 1959 and 1984.
作者信息
Lacroix E M, Dutcher G A
出版信息
Bull Med Libr Assoc. 1987 Jan;75(1):7-13.
In 1962, an analysis of interlibrary loan requests for serials filled by NLM in 1959 was published. In the twenty-five years following 1959, important changes occurred in the biomedical library community, which had a significant impact on interlibrary loan activities, including the development of MEDLARS and online searching, the Regional Medical Library (RML) network, and union listing for serials. To describe NLM's current interlibrary loan request traffic for serials and to identify any significant changes in traffic between 1959 and 1984, a comparative analysis of 1984 serial loan requests was performed, primarily by manipulation of automated request records. The changes in request traffic strongly suggest that the efforts to strengthen regional document delivery through the RML program have been successful and that NLM's collection is now used primarily as a last resort.
1962年，一篇关于国立医学图书馆（NLM）在1959年处理的连续出版物馆际互借请求的分析报告发表了。在1959年之后的二十五年里，生物医学图书馆界发生了重大变化，这对馆际互借活动产生了重大影响，包括医学文献分析和检索系统（MEDLARS）及在线检索的发展、区域医学图书馆（RML）网络以及连续出版物联合目录。为了描述NLM目前连续出版物的馆际互借请求流量，并确定1959年至1984年间流量的任何重大变化，主要通过对自动化请求记录的处理，对1984年的连续出版物借阅请求进行了比较分析。请求流量的变化有力地表明，通过RML计划加强区域文献传递的努力取得了成功，并且NLM的馆藏现在主要被用作最后的手段。
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