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Moens, M.F.: Automatic indexing and abstracting of document texts (2000)
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Lohmann, H.: KASCADE: Dokumentanreicherung und automatische Inhaltserschließung : Projektbericht und Ergebnisse des Retrievaltests (2000)
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Nohr, H.: Grundlagen der automatischen Indexierung : ein Lehrbuch (2003)
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