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Carande, R.: Automation in library reference services : a handbook (1993)
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Franke, F; Klein, A.; Schüller-Zwierlein, A.: Schlüsselkompetenzen : Literatur recherchieren in Bibliotheken und Internet (2010)
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Lankes, R.D.: New concepts in digital reference (2009)
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Fidel, R: Human information interaction : an ecological approach to information behavior (2012)
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