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Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987)
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- Annual review of information science and technology. 22(1987), S.109-145
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Croft, W.B.: Automatic indexing : file organization and display for information retrieval (1989)
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- Indexing: the state of our knowledge and the state of our ignorance. Proceedings of the 20th Annual Meeting of the American Society of Indexers, New York City, May 13, 1988. Ed.: B.H. Weinberg
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Croft, W.B.; Thompson, R.H.: I3R: a new approach to the desing of document retrieval systems (1987)
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- Journal of the American Society for Information Science. 38(1987), S.389-404
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Croft, W.B.; Thompson, R.H.: Support for browsing in an intelligent text retrieval system (1989)
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- International journal of man-machine studies. 30(1989), S.639-668