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Saracevic, T.: On a method for studying the structure and nature of requests in information retrieval (1983)
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Saracevic, T.: ¬A research project on classification of questions in information retrieval : preliminary work (1980)
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- Communicating information : proceedings of the 43rd Asis annual meeting, Anaheim, California, October 5-10, 1980. Eds.: Alan R Benenfeld u. Edward John Kazlauskas