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Allen, B.: Topic knowledge and online catalog search formulation (1991)
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Larson, R.R.: ¬The decline of subject searching : long-term trends and patterns of index use in an online catalog (1991)
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Zillmann, H.: OPAC-Design im PICA-Lokalsystem LBS3 (1991)
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Hancock-Beaulieu, M.M.: User friendliness and human-computer interaction in online library catalogues (1992)
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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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Slack, F.; Wood, A.J.: Subject searching on British OPACs : problems and progress (1990)
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Rau, G.: KOALA-OPAC: "Differenzierte Recherche" sechs Monate im Einsatz (1992)
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Coral, L.: Indexing and retrieving special materials in online catalogues (1992)
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Berger, M.G.: ¬The MELVYL system : the next five years and beyond (1992)
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Buckland, M.K.: Agenda for online catalog designers (1992)
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Farley, L.: ¬The evaluation of a user-oriented system : the MELVYL system's many designers (1992)
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Needleman, M.: Computing resources for an online catalog : ten years later (1992)
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Ritch, A.: Ten years of monitoring MELVYL : a librarian's view (1992)
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Drabenstott, K.M.: ¬The need for machine-readable authority records for topical subdivisions (1992)
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Working papers on OPACs (1990)
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KOALA: Konstanzer Ausleih- und Anfrage-System - Informationsterminals (1991)
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KOALA über LAN und Datenfernübertragung (1992)
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