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Paris, L.A.H.; Tibbo, H.R.: Freestyle vs. Boolean : a comparison of partial and exact match retrieval systems (1998)
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Griffith, C.: FREESTYLE: LEXIS-NEXIS goes natural (1994)
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Pritchard-Schoch, T.: Natural language comes of age (1993)
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Stock, W.G.: Natürlichsprachige Suche - more like this! : Lexis-Nexis' Freestyle (1998)
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McGrath, E.: Cataloging legal databases available through LEXIS (1992)
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