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Jonzeck, M.: ¬Die Aktivierung, Verbesserung und Neuorientierung der Informationstätigkeit der allgemeinen öffentlichen Bibliotheken (1965)
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Ernestus, H.: Auf dem Wege zum Auskunftsdienst (1969)
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Schiller, H.: Zu den Informationsaufgaben der allgemeinen öffentlichen Bibliotheken (1965)
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Zenker, H.; Bleul, I.: ¬Die Informationstätigkeit in staatlichen allgemeinen öffentlichen Bibliotheken : Grundsätze und Empfehlungen (1969)
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