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Schröder, K.: Zur OPAC-Diskussion, ein britisches Projekt: OKAPI (1990)
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- Bibliotheksdienst. 24(1990), S.1504-1512
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Schulz, U.: Einige Aspekte zukünftiger Inhaltserschließung und Online-Benutzerkataloge (1990)
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- Bibliothek: Forschung und Praxis. 14(1990), S.226-234
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Rau, G.: KOALA-OPAC: "Differenzierte Recherche" sechs Monate im Einsatz (1992)
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- Bibliothek aktuell. 1992, H.61, S.32-35
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Wilkens, K.: Nur Tricks? : Zu einigen 'Feinheiten' der differenzierten Buchanfrage (1992)
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- Bibliothek aktuell. 1992, H.61, S.29-32
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Payer, M.: Anforderungen an einen OPAC : Vorschlag für einen Mindeststandard (1991)
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- Bibliotheksdienst. 25(1991), S.1540-1546
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Blütenlese aus der OPAC-Mailbox (1992)
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- Bibliothekszeitung der Ruhr-Universität Bochum. 15(1992) H.3/4, S.12-16
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Cazan, C.: Nutzt die Netze : OPAC ohne elektronische Kommunikation? (1990)
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Hrusa, H.: Unterwegs im Internet (1991)
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Niggemeyer, E.; Horstmann, K.-W.: From HELL to HEAVEN oder der Himmel ist nicht lokal (1994)
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Rossoll, E.: Round table 'Benutzeranleitung für den OPAC' (1996)
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Budde-Sackebier, A.; Hommes, K.P.: OPAC-Vernetzung bei den Bibliotheken im Kreis Mettmann (1995)
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Hansen, B.: Konzept für die benutzerorientierte Erschließung von Kinderliteratur für einen Kinder-OPAC : am Beispiel von BÜCHERSCHATZ (1996)
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Alscher, H.-J.: Katalog der NÖ Landesbibliothek im Internet! (1998)
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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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Kowalk, W.: ¬Der OPAC der Universitätsbibliothek Saarbrücken (1991)
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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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Maier, G.: OPACs auf dem Prüfstand (1993)
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- BuB. 45(1993) Nr.2, S.152-157