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PubMed1969

Survey of medical literature borrowed from the national lending library for science and technology.

This paper reports the results of a four-week questionnaire survey carried out at the National Lending Library (N.L.L.), Great Britian, to discover which types of organizations were the principal users of medical literature, what types of literature were used, and which were the main sources of references to medical publications. Industrial organizations and universities accounted for the majority (62 percent) of the loans, most of which were English-language periodicals published since 1960. For the whole sample, citation lists in periodical articles were the principal sources of references, although for literature published in the last fifteen months, abstracting and indexing journals were the main sources. Of the latter, Index Medicus proved to be the most fruitful source of references. By asking whether the item requested was really useful to their work, a measure of the reliability of the different sources of references was obtained. Appendixes include the questionnaire, a list of the most frequently borrowed journals, and a list of abstracting and indexing journals used as sources of references.

Interlibrary Loans↗
PubMed1966

Topics in library technology: copying techniques.

Photocopying applications in the library include the combining of previously separate material, the separation of a single item into two or more of its parts, and the selection of parts of existent material by the use of overlays. The production of catalog cards, the creation of sheet material (new book lists, reference bibliographies) from card-form materials, an Index Medicus-derived alerting service, and overdue notices copied from charge cards are among the applications exemplifying these general types. Larger-scale operations employing microfilm are noted. The distinction between copying and printing, in the light of equipment advances, is discussed.

Copying Processes↗