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Dickson, J.: ¬An analysis of user errors in searching an online catalog (1984)
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Hearn, S.: Comparing catalogs : currency and consistency of controlled headings (2009)
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Kilgour, F.G.; Moran, B.B.: Surname plus recallable title word searches for known items by scholars (2000)
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Richwine, P.W.: Using EPIC to search the OCLC Online Union Catalog in a health sciences library (1991)
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Alexander, B.B.; Gyeszly, S.D.: OPAC or card catalog : patrons preference in an academic library (1991)
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