Stadler, U.: ¬Die Erweiterung von Online-Katalogen durch die Aufnahme von Angaben aus Inhaltsverzeichnissen und Registern mit dem Ziel einer besseren sachlichen Erschließung : Lösungsansätze unter Berücksichtigung des "Subject Access Project" der Syracuse University (1991)
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Lohmann, H.: Verbesserung der Literatursuche durch Dokumentanreicherung und automatische Inhaltserschließung : Das Projekt 'KASCADE' an der Universitäts- und Landesbibliothek Düsseldorf (1999)
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