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Hapke, T.: History of scholarly information and communication : a review of selected German literature (1999)
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Hapke, T.: 'In-formation' - Informationskompetenz und Lernen im Zeitalter digitaler Bibliotheken (2005)
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Hapke, T.: Julius Hanauer : bio-bibliographical traces of a German special librarian, esperantist, and documentalist (2013)
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Hapke, T.: Wilhelm Ostwald's combinatorics as a link between in-formation and form (2012)
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