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Panchyshyn, R.: OCLC now offers Z39.50 cataloging access to WorldCat (1998)
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Nilges, C.: ¬The Online Computer Library Center's Open WorldCat program (2006)
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Riehm, S.M.: ¬A first look at FirstSearch (1992)
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Perry, S.; Salisbury, L.: ¬The ten most effective ways to search WorldCat on FirstSearch (1996)
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Bishop, G.E.: What WorldCat (the OCLC Online Union Catalog) means to me (1998)
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