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Gödert, W.: Vom Zettelkatalog zum HyperOPAC (1996)
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Jansen, H.: Discovery-Services : Einführung, Marktübersicht und Trends (2014)
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Christensen, A.; Finck, M.: Discovery-Systeme : eine Analyse ihrer Geschichte und Gegenwart mit dem Hype-Zyklus (2021)
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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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Hillmann, D.I.: 'Parallel universes' or meaningful relationships : envisioning a future for the OPAC and the net (1996)
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Morgan, E.L.: Possible solutions for incorporating digital information mediums into traditional library cataloging services (1996)
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Hahn, U.; Schulze, M.: Katalogerweiterungen, Mashups und Elemente der Bibliothek 2.0" in der Praxis : der Katalog der Universitätsbibliothek der Helmut-Schmidt-Universität (IHSU) Universität der Bundeswehr Hamburg (2009)
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Markey, K.: ¬The online library catalog : paradise lost and paradise regained? (2007)
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