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Cleverdon, C.W.: On the inverse relationship of recall and precision (1972)
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Cleverdon, C.W.: Evaluation tests of information retrieval systems (1970)
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Cleverdon, C.W.: Aslib Cranfield research project : report on the testing and analysis of an investigation into the comparative efficiency of indexing systems (1962)
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Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960)
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Cleverdon, C.W.: Design and evaluation of information systems (1971)
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Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1985)
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Fugmann, R.: ¬The complementarity of natural and indexing languages (1985)
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Strzalkowski, T.: Natural language information retrieval (1995)
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Keen, M.: Cyril W. Cleverdon (1998)
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Gillman, P.: Text retrieval (1998)
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