Aviation, transport services : agreements between the United States of America and Ecuador, effected by exchange of notes, dated at Quito June 29 and July 27, 1990, and exchange of notes, dated at Quito June 28 and August 6, 1991, and exchange of notes, signed at uito May 22 and June 15, 1992.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1993?]