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Some factors affecting choice of host systems A M Batten
is not always the one you think T Baiget
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American analysis average base producers benefits bibliographic databases bibliographic searching budget charges Chemical Abstracts clients COMPENDEX component Computer-Based Reference connect hour cost effectiveness cost per search costs of online data base database producers DIALOG library dollar economic F. W. Lancaster factors figure files free period GEOREF increased Index information retrieval Information Science information services input Journal librarians library follow-up literature search Lockheed manual and on-line manual searches minutes Mode off-line prints on-line systems online access online searching online services online usage operator originating library output overhead patent patron pay period percent performed pricing Public Library Redwood City reference interview reference service reported Research revenue royalties salary San Mateo County Santa Clara County search costs search strategy searcher Special Libraries staff subscriptions suppliers Table tasks telecommunications terminal tion total cost user fees variable vendors