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Conseil Europeen pour la Recherche Nucleaire (CERN)
see European Organization for Nuclear Research (CERN)
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Contadora Group (CG)
was established 5 January 1983 (on the Panamanian island of Contadora) to reduce tensions and conflicts in Central America but evolved into the Rio Group (RG); members included Colombia, Mexico, Panama, Venezuela
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Cooperation Council for the Arab States of the Gulf
see Gulf Cooperation Council (GCC)
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