International symposium on the U.S. domestic short distance navigation system - VORTAC - and its relationship to the international air navigation system
Subtitle: Sponsored by Air Coordinating Committee of the United States government, Washington, D.C. Oct. 1-2, 1958; Indianapolis, Ind. Oct. 3-4, 1958
Publisher: U.S. Govt. Print. Off.
Published: 1958
Place of publication: Washington, D.C
Language: eng
Notes: Cover-title.