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Smith, N.; Ashton, J.: ¬The British Library and Z39.50 (1994)
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Duda, L.E.; Rioux, M.A.: ¬One library, one bib record : two opacs, two systems (1998)
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Working as ONE in Europe (1996)
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Hellweg, H.; Krause, J.; Mandl, T.; Marx, J.; Müller, M.N.O.; Mutschke, P.; Strötgen, R.: Treatment of semantic heterogeneity in information retrieval (2001)
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Stark, T.: ¬The Net and Z39.50 : toward a virtual union catalog (1997)
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Laegreid, J.A.: ¬The Nordic SR-net project : implementation of the SR/Z39.50 standards in the Nordic countries (1994)
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