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Coleman, K.; Dickinson, P.: Drafting a reference collection policy (1977)
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Norman, O.G.: ¬The reference interview : an annotated bibliography (1979)
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Thun, H.-P.: "At your fingertip"? : Auskunfts- und Informationsdienst bei uns noch Entwicklungsland (1970)
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- Source
- Bücherei und Bildung. 22(1970), S.63-71