Aviation, transport services : agreement between the United States of America and the Czech and Slovak Federal Republic, amending and extending the agreement of June 29, 1987, effected by exchange of notes, dated at Prague March 21 and May 27, 1991.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1993?]