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To authorize a contribution by the United States to the tin buffer stock established under the fifth International tin agreement : hearing before the Subcommittee on Economic Stabilization of the Committee on Banking, Finance, and Urban Affairs, House of Representatives, Ninety-fifth Congress, second session, on H.R. 9486 ... May 11, 1978
(1978)
Fourth International tin agreement, London, 1 July 1970 - 29 January 1971
(1970)
The world tin market : political pricing and economic competition
Baldwin, William L., (1983)