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Müller, J.; Quester, R.: Umweltbibliotheken : Wegweiser (1999)
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Machill, M.; Neuberger, C.; Schweiger, W.; Wirth, W.: Wegweiser im Netz : Qualität und Nutzung von Suchmaschinen (2004)
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Machill, M.; Beiler, M.; Zenker, M.: Suchmaschinenforschung : Überblick und Systematisierung eines interdisziplinären Forschungsfeldes (2007)
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Wegweiser im Netz : Qualität und Nutzung von Suchmaschinen (2004)
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Stürmer, U.: Vergleichende Evaluierung verschiedener Interaktionsparadigmen für Information Retrieval (1995)
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