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Nohr, H.: Zum Sachzugriff über Stichworte in Online-Publikumskatalogen (OPACs) (1991)
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Bauhuis, W.: Warnung vor Publikumskatalogen (1959)
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Nohr, H.: Sachliche Erschließung in deutschsprachigen Online-Publikumskatalogen (1989)
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Lüke, S.: Retrievaleigenschaften von Online-Publikumskatalogen, dargestellt am Beispiel OKAPI (1998)
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Gödert, W.: Sachrecherchen in Online-Publikumskatalogen : Wechselspiel zwischen Dokumentationssprache, Indexierungsprinzip, Datenbankenaufbau und Abfragesprache (1990)
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