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  • × author_ss:"Crawford, J.C."
  • × theme_ss:"OPAC"
  1. Crawford, J.C.; Powles, J.A.: Inhouse (locally generated) subject indexes mounted on academic library OPACs (1991) 0.00 
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  2. 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) 0.00 
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  3. Crawford, J.C.; Thom, L.C.; Powles, J.A.: ¬A survey of subject access to academic library catalogues in Great Britain (1993) 0.00 
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