http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
United Nations and nuclear non-proliferation
with an introduction by Boutros Boutros-Ghali.
"United Nations publication sales Number E.95.I.17 (soft)"--Title page verso.
Treaty on the Non-Proliferation of Nuclear Weapons (1968)