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- Footnote
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- Footnote
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Harnack, A. von: ¬Die Auskunftserteilung als bibliothekarische Aufgabe (1940)
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Information brokers and reference services (1989)
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- Series
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Ghilardi, F.J.M.: ¬The information center of the future : the professional's role (1994)
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Scholle, U.: Kann ich Ihnen behilflich sein? : Erhebung am zentralen Auskunftsplatz der ULB Münster (2000)
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- Footnote
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