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Lepsky, K.: Vom OPAC zum Hyperkatalog : Daten und Indexierung (1996)
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Gödert, W.: Vom Zettelkatalog zum HyperOPAC (1996)
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Lutze, G.; Schnelling, H.; Worch, R.: Zettels Traum : Digitalisierung von Zettelkatalogen in der ULB Sachsen-Anhalt und ihre Visualisierung im Internet (1999)
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Hillmann, D.I.: "Parallel universes" or meaningful relationships : envisioning a future for the OPAC and the net (1996)
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Gödert, W.: Vom OPAC zum Hyperkatalog : Suchen und Navigieren (1996)
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- Erschließen, Suchen, Finden: Vorträge aus den bibliothekarischen Arbeitsgruppen der 19. und 20. Jahrestagungen (Basel 1995 / Freiburg 1996) der Gesellschaft für Klassifikation. Hrsg.: H.-J. Hermes u. H.-J. Wätjen
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Hillmann, D.I.: 'Parallel universes' or meaningful relationships : envisioning a future for the OPAC and the net (1996)
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- Cataloging and classification quarterly; vol.22, nos.3/4
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Morgan, E.L.: Possible solutions for incorporating digital information mediums into traditional library cataloging services (1996)
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Xu, H.; Lancaster, F.W.: Redundancy and uniqueness of subject access points in online catalogs (1998)
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