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Robertson, S.E.: ¬The methodology of information retrieval experiment (1981)
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- Information retrieval experiment. Ed.: K. Sparck Jones
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Robertson, S.E.: Some recent theories and models in information retrieval (1980)
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- Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg
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Bovey, J.D.; Robertson, S.E.: ¬An algorithm for weighted searching on a Boolean system (1984)
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- Information technology: research and development. 3(1984) no.1, S.84-87