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Lewandowski, D.; Mayr, P.: Exploring the academic invisible Web (2006)
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Lewandowski, D.: How can library materials be ranked in the OPAC? (2009)
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Lewandowski, D.: Zusammenarbeit von Google, Yahoo und Microsoft (2005)
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Lewandowski, D.: Suchmaschine im Betriebssystem (2005)
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Lewandowski, D.: Suchmaschinen - ein Thema für die Informationswissenschaft (2005)
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Lewandowski, D.: Wikipedia in großen Suchmaschinen (2005)
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Lewandowski, D.: Web Information Retrieval : Technologien zur Informationssuche im Internet (2005)
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