Aviation, transport services : agreement between the United States of America and the Czechoslovak Socialist Republic, extending the agreement of February 28, 1969, as amended and extended, effected by exchange of notes, dated at Prague December 11 and 18, 1986.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1993?]