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  • × year_i:[1980 TO 1990}
  1. Teskey, F.N.: Enriched knowledge representation for information retrieval (1987) 5.29 
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  2. Schöndorf, P.: Nicht-konventionelle Thesaurusrelationen als Orientierungshilfen für Indexierung und Recherche: Analyse ausgewählter Beispiele (1988) 5.29 
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  3. Frisch, A.M.; Allen, J.F.: Knowledge retrieval as limited inference (1982) 5.29 
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