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Christensen, A.: Auskunft 2.0 : Vom Wie und Wo der bibliothekarischen Antwort im Web 2.0 (2007)
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Christensen, A.; Finck, M.: Discovery-Systeme : eine Analyse ihrer Geschichte und Gegenwart mit dem Hype-Zyklus (2021)
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Christensen, A.: Wissenschaftliche Literatur entdecken : was bibliothekarische Discovery-Systeme von der Konkurrenz lernen und was sie ihr zeigen können (2022)
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Christensen, A.: Partizipative Entwicklung von Diensten in der Bibliothek 2.0 : Methoden und Ergebnisse aus Katalog-2.0-Projekten (2009)
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Christensen, A.: Virtuelle Auskunft mit Mehrwert : Chatbots in Bibliotheken (2008)
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