-
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
-
Harrelson, L.E.: Large libraries and information desks (1974)
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- Source
- College and research libraries. 25(1974), S.21-27
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Grogan, D.: Practical reference work (1979)
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- Date
- 15. 4.2005 12:21:04
