Aviation, air transport services : agreement between the United States of America and the United Kingdom of Great Britain and Northern Ireland, amending the agreement of July 23, 1977, as amended, effected by exchange of notes, signed at Washington February 20, 1985.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1993?]