Weather stations : agreements between the United States of America and Mexico, extending the agreement of July 31, 1970, as amended and extended, effected by exchange of notes, dated at Mexico and Tlatelolco, January 26 and February 10, 1984, and exchange of notes dated at Mexico and Tlatelolco May 24 and 28, 1984, and exchange of notes, signed at Tlatelolco and Mexico September 28 and October 15, 1984.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1992?]