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Wood, A.J.: OPACs in public libraries : a second look (1989)
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Kilgour, F.G.: Redesign of known-item online access catalogs (1994)
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Crawford, J.C.; Thom, L.C.; Powles, J.A.: ¬A survey of subject access to academic library catalogues in Great Britain (1993)
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Slack, F.: Subject searching on OPACs : problems and help provision (1991)
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Edwards, A.: Janet uses hypertext to go to the library (1991)
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