@book{21925,
	author = {Jessen, Carl A. and United States.},
	title = {Pre-flight aeronautics in secondary schools /},
	publisher = {Federal Security Agency, U.S. Offfice of Education,},
	year = {1942.},
	series = {Leaflet ;},
	address = {Washington :},
	note = {"An administrative and instructional guide, with special reference to the preliminary training of prospective aviation cadets."}
}