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Mallmann-Biehler, M.: ¬Das Internet macht einen alten Traum wahr : kostenlose Recherche vom Arbeitsplatz aus (1997)
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Lamprecht, S.: Professionelle Recherche im Internet (1999)
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Müllenbruck, S.: "Sind Sie ein Mensch?" : Auskunft per Chat an der UB Trier (2001)
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Buchner, M.: ¬Die Machete im Dschungel : Persönliche Auskunftsdienste: "Hier werden Sie geholfen" - Ratgeber sind die neue Konkurrenz für Internet-Suchmaschinen (2001)
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Dierolf, U.; Mönnich, M.: Einsatz von Recommendersystemen am Beispiel des neuen OPACs der Universitätsbibliothek Karlsruhe (2006)
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