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- author's%3a%22Herfurth%2c M.%22 2
- authors%3a%22Herfurth%2c M.%22 2
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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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Brenner, E.H.; Saracevic, T.: Indexing and searching in perspective (1985)
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