1. Bjornstad, J. M.: Optical properties of windshield glass. USAF Air Materiel Command, Aero Medical Laboratory, Wright-Patterson Air Force Base, Dayton, Ohio, Memorandum Report MCREXD 696–93C, 15 Oct. 1948.
2. Chapanis, A., and Schachter, S.: Depth perception through a P-80 canopy and through distorted glass. USAF Air Materiel Command, Wright-Patterson Air Force Base, Dayton, Ohio, Aero Medical Laboratory Serial No. TSEAL-3–695-48N, 22 Oct. 1945.
3. Walchner, O., and Rambauski, W.: Some notes about the deviation of a light beam passing the disturbed density field surrounding a fast flying aircraft. USAF Air Materiel Command, Wright-Patterson Air Force Base, Dayton, Ohio, Aero Medical Laboratory Memorandum Report MCREOS-48–1, 7 Dec. 1948.
4. The human time factor in flight;Strughold;J. Aviation Med.,1949
5. Noell, W., and Chinn, H.: The effects of anoxia on the retina and optic pathways. USAF School of Aviation Medicine, Randolph Field, Texas, Project 21–02-111 (in publication).