Future of online catalogues : Essen symposium 30 September - 3 October 1985 /
Bivins Noerr, K.(Kathleen)
Helal, A. H.(Ahmed H.)
Weiss, J. W.(Joachim W.)
Essen : Gesamthochschulbibliothek Essen,
1986.
Includes bibliographical references.
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