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Gödert, W.: Vom OPAC zum Hyperkatalog : Suchen und Navigieren (1996)
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Gattermann, G.: Kann der Online-Benutzerkatalog unser Katalogproblem lösen? : Erfahrungen aus dem OPAC-Projekt der Universitätsbibliothek Düsseldorf (1990)
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Spinas, P.: Benutzerfreundlichkeit von ETHICS : Ergebnisse einer Untersuchung des Online-Kataloges der ETH-Bibliothek (1992)
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Klugkist, A.C.: ¬Der PICA-Online-Katalog der Universitätsbibliothek Groningen (1991)
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Gattung, B.: ¬Der OPAC der Universitätsbibliothek Düsseldorf : Benutzungsperspektive (1991)
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Lierz, W.: PUBLICAT - Online Zentralkatalog der GMD-Bibliotheken : Zweieinhalb Jahre Erfahrungen mit einem OPAC (1991)
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Nohr, H.: Tendenzen der OPAC-Entwicklung (1990)
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Kowalk, W.: ¬Der OPAC der Universitätsbibliothek Saarbrücken (1991)
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Zillmann, H.: OPAC-Design im PICA-Lokalsystem LBS3 (1991)
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Schröder, K.: Zur OPAC-Diskussion, ein britisches Projekt: OKAPI (1990)
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Schulz, U.: Einige Aspekte zukünftiger Inhaltserschließung und Online-Benutzerkataloge (1990)
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Rau, G.: KOALA-OPAC: "Differenzierte Recherche" sechs Monate im Einsatz (1992)
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Wilkens, K.: Nur Tricks? : Zu einigen 'Feinheiten' der differenzierten Buchanfrage (1992)
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Dreis, G.: Zur Retrievalorganisation des OPAC (1991)
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Gattung, B.: Datenbank-Aufbau und -Update (1991)
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Stedtnitz, G.: Suchbarkeit von Namen (1991)
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Gattung, B.: Zur Analyse des Benutzerverhaltens. T.1 (1991)
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Dreis, G.: Zur Analyse des Benutzerverhaltens. T.2 (1991)
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Schulte-Geers, A.: ¬Der OPAC der Universitätsbibliothek Düsseldorf (1991)
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Wätjen, H.-J.: ORBIS, der Oldenburger Online-Benutzerkatalog (1991)
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