Oceanography, cooperation in studies of the world ocean : agreement between the United States of America and the Union of Soviet Socialist Republics, extending the agreement of June 19, 1973, as amended and extended, effected by exchange of notes, dated at Moscow and Washington November 23 and December 9, 1987.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1992?]