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Schmitz-Esser, W.: Thesaurus and beyond : an advanced formula for linguistic engineering and information retrieval (1999)
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- Source
- Knowledge organization. 26(1999) no.1, S.10-22
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Schmitz-Esser, W.: New approaches in thesaurus application (1991)
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- Source
- International classification. 18(1991), S.143-147
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Schmitz-Esser, W.: Thesauri facing new challenges (1990)
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- Source
- International classification. 17(1990), S.129-132