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Jascó, P.: Don't kiss Boolean goodbye : it's AND not OR, let alone XOR (1994)
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Boeri, R.J.: Intranet searching : a light at the end of the tunnel (1998)
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Loureiro, O.; Siegelmann, H.: Introducing an active cluster-based information retrieval paradigm (2005)
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Cochrane, P.A.: Subject access - free text and controlled : the case of Papua New Guinea (1985)
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Buckland, M.K.: Partnerships in navigation : an information retrieval research agenda (1995)
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