Aviation : joint financing of certain air navigation services in Iceland and in Greenland and the Faroe Islands : agreement between the United States of America and other governments amending the agreements done at Geneva September 25, 1956, as amended, adopted by the Council of the International Civil Aviation Organization at Montreal June 14, 1976. (Dept. of State : for sale by the Supt. of Docs., U.S. Govt. Print. Off.,, 1977)