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Cousins, S.A.: Enhancing subject access to OPACs : controlled vocabulary vs. natural language (1992) 1.00
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Leissing, U.; Rädler, K.; Hauer, M.: Query-Expansion durch Fachthesauri : Erfahrungsbericht zu dandelon.com, Vorarlberger Parlamentsinformationssystem und vorarlberg.at (2010) 1.00
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