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Harter, S.P.; Hert, C.A.: Evaluation of information retrieval systems : approaches, issues, and methods (1997)
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Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1985)
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Golub, K.; Soergel, D.; Buchanan, G.; Tudhope, D.; Lykke, M.; Hiom, D.: ¬A framework for evaluating automatic indexing or classification in the context of retrieval (2016)
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Keen, M.: Cyril W. Cleverdon (1998)
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Fugmann, R.: ¬The complementarity of natural and indexing languages (1985)
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