New York: W. W. Norton, 1988.

Fimmel, Richard O., James Van Allen, and Eric Burgess.

Beyond.

NASA SP-446. Washington, D.C.: U.S. Government

Fimmel, Richard O., Lawrence Colin, and Eric Burgess.

NASA SP-461. Washington, D.C.: U.S. Government Printing Office, 1983.

Frisbee, John L., ed.

Makers of the United States Air Force.

Washington, D.C.: Office of Air Force History, 1987.

Galloway, Jonathan F.

نامعلوم صفحہ