Describes reference and information services which special libraries may provide in serving clientele, including information services, bibliographic services, online search services, document delivery services, indexing services, abstracting services, publishing and alerting services, translation services, newspaper clipping services, and records…

A series of five runs comprised of 20 searches each were carried out in a three-year span of the INSPEC data base. The same queries were processed manually in the corresponding volumes of Science Abstracts, and comparison of the output of each search method exposed reasons for the failures. Emphasis is laid on the fact that a query comprises other…