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King, D.W.; Bryant, E.C.: ¬The evaluation of information services and products (1971)
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- Isbn
- 0-87815-003-x
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Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973)
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- Date
- 19. 3.1996 11:22:12