1. Anonymous. "Tri-Service Evaluation of the Canadair CL-84 Tilt-Wing V/STOL Aircraft." USAAVLABS Technical Report 67-84,November, 1967.
2. Anonymous. "XC-142A VSTOL Transport Category II Performance Evaluation." Air Force Flight Test Center Technical Report No. 68-21. Edwards Air Force Base, CA.October 1968.