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Nicholas, D.: Assessing information needs : tools and techniques (1996)
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- Date
- 26. 2.2008 19:22:51
- Pages
- 56 S
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Reference and information services : an introduction (1991)
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- Date
- 1. 3.2008 10:13:56
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Reference and information services : an introduction (1995)
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- Date
- 8. 3.2008 9:52:56