U.S. participation in international negotiations on ozone protocol : hearing before the Subcommittee on Human Rights and International Organizaions of the Committee on Foreign Affairs, House of Representatives, one hundredth Congress, first session, March 5, 1987.
United States.Congress.House.Committee on Foreign Affairs.Subcommittee on Human Rights and International Organizations.
Washington : U.S.G.P.O.,
1987.
Atmospheric ozone.
Ozone.