Letter dated 10 April 1995 from the Deputy Director of the United States Arms Control and Disarmament Agency addressed to the Provisional Secretary-General of the 1995 Review and Extension Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons\n\n Treaty on the Non-Proliferation of Nuclear Weapons - Review and Extension Conference (1995) United States Working papers 1995-04-16 NPT/CONF.1995/17 AR EN ES FR RU ZH