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Miller, D.J.: Advanced Freestyle searching with Lexis-Nexis (1997)
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Mitsch, J.-P.: ISIS leicht gemacht : Einführung in das Datenbankprogramm CDS/ISIS (1993)
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McIlwaine, I.C.; Buxton, A.: Guide to the use of UDC : an introductory guide to the use and application of the Universal Decimal Classification (1993)
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