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Slack, F.; Wood, A.J.: Subject searching on British OPACs : problems and progress (1990)
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Slack, F.: Subject searching in OPACs : a general survey of facilities available on OPACs in academic libraries in the UK (1988)
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Slack, F.: Subject searching on OPACs : problems and help provision (1991)
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Slack, F.: End user searches and search path maps : a discussion (1996)
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