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Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (1998)
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Gliszczynski, S. von; Kaiser, D.: GRIPS-Funktionen : GRIPS-MainMenu: Benutzerführung von Anfang an (1994)
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Jascó, P.: WebSPIRS 4.0 : Javascript search software (1998)
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Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2001)
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Barker, A.L.: DataStar Web : a comparison with 'classic' DataStar command language searching (1998)
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Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2005)
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Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2006)
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