Aviation, technical assistance and services : agreements between the United States of America and Oman, amending and extending, the agreement of, December 14, 1979 and, May 18, 1980, signed at Muscat October 1 and November 1, 1985, and signed at Muscat June 28, 1986, and signed at Muscat September 23, 1986, and signed at Muscat December 15, 1987.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1993?]