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Cousins, S.A.: Enhancing subject access to OPACs : controlled vocabulary vs. natural language (1992)
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Cousins, S.A.; Hartley, R.J.: Towards multilingual online public access catalogues (1994)
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Pienaar, R.E.: Enhancement of subject access in online public access catalogues (OPACs) (1989)
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Wells, A.: Subject access and languages other than English (1993)
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Crawford, J.C.; Thorn, L.C.; Powles, J.A.: ¬A survey of subject access to academic library catalogues in Great Britain : a report to the British Library Research and Development Department (1992)
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