An investigation was made into the relative performance of the four major Chemical Abstracts Service magnetic tape data-bases. The overall retrieval efficiency of profiles searched against data-bases containing titles only, titles-plus-keywords, and titles-plus-digests, was calculated and these results are presented. (5 references) (Author/NH)

Presents methodology and findings of an empirical study comparing local citation patterns with the holdings lists of various sources of journal articles in the United Kingdom, including the British Library. Topics include identifying data that indicates researchers' use of journals in academic libraries and identifying data to indicate journal…

To compare the value of subject descriptors and title keywords as entries to subject searches, two studies were conducted, both concentrating on monographs in the humanities and social sciences held by online public access catalog of the National Library of the Netherlands. (Author/AEF)