Nuclear-weapon-free-zones: Working paper submitted by Peru, as Chairman of the Latin American and Caribbean Group, on behalf of the States parties to the Treaty for the Prohibition of Nuclear Weapons in Latin America and the Caribbean (Treaty of Tlatelolco) represented at the first session of the Preparatory Committee for the 2010 NPT Review Conference Treaty on the Non-Proliferation of Nuclear Weapons - Preparatory Committee for the Eighth Review Conference First session (2007) Group of Latin America and the Caribbean States Working papers 2007-04-29 NPT/CONF.2010/PC.I/WP.71 AR EN ES FR RU ZH