Aviation, transport services : agreement between the United States of America and the Union of Soviet Socialist Republics, amending the agreement of November 4, 1966, as amended and, effected by exchange of notes, dated at Moscow June 30 and July 26, 1989.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1993?]