Online bibliographic databases : an international directory - Hall, J. L. (James Logan); Brown, Marjorie J. (Marjorie Jean); Aslib (London : Detroit : Aslib, Distributed in USA and Canada by Gale Research Company., 1981)
Includes bibliographical references and index
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Keywords: Bibliographical services -- Directories; Information storage and retrieval systems -- Directories; Machine-readable bibliographic data -- Directories