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Borlund, P.: ¬The IIR evaluation model : a framework for evaluation of interactive information retrieval systems (2003)
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Griesbaum, J.; Rittberger, M.; Bekavac, B.: Deutsche Suchmaschinen im Vergleich : AltaVista.de, Fireball.de, Google.de und Lycos.de (2002)
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Mielke, B.: Wider einige gängige Ansichten zur juristischen Informationserschließung (2002)
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