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Composite MARC Format. A Tabular Listing of Content Designators Used in the MARC Formats.
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Library of Congress, Washington, DC. MARC Development Office. – 1976
Intended to be used for comparative purposes and in the design of generalized computer programs for systems using the MARC formats for bibliographic records, this publication contains a listing in tabular form of the content designators used in the various MARC formats. Content designators are listed under Leader, Control Fields, and Variable…
Descriptors: Books, Cataloging, Computer Programs, Films
A Comparison of Costs of Searching the Machine-Readable Data Bases ERIC and "Psychological Abstracts" in an Annual Subscription Rate System Against Costs Estimated for the Same Searches Done in the Lockheed DIALOG System and the System Development Corporation for ERIC, and the Lockheed DIALOG System and PASAT for "Psychological Abstracts."
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Palmer, Crescentia – 1976
A comparison of costs for computer-based searching of Psychological Abstracts and Educational Resources Information Center (ERIC) systems by the New York State Library at Albany was produced by combining data available from search request forms and from bills from the contract subscription service, the State University of New…
Descriptors: Comparative Analysis, Computers, Cost Effectiveness, Costs