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Ingwersen, P.: Information retrieval interaction (1992) 9.39

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Carande, R.: Automation in library reference services : a handbook (1993) 9.39

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Stone, P.: JANET : a report on its use for libraries (1990) 9.39

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Rowley, J.E.: Organizing knowledge : an introduction to information retrieval (1992) 9.39

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Modern information retrieval (1999) 9.39

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