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"Evaluating the effectiveness of an on-line, natural language retrieval system."
F. W. Lancaster, Richard L. Rapport, J. Kiffin Penry (1972)
- F. W. Lancaster, Richard L. Rapport, J. Kiffin Penry:
Evaluating the effectiveness of an on-line, natural language retrieval system. Inf. Storage Retr. 8(5): 223-245 (1972)
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