1. E.M. Wormser, “Sensing the Invisible World”, Appl. Opt., 1, pp 1667–1685, September 1968.
2. B. Miller, “FLIR Gaining Wider Service Acceptance”, Aviation Week and Space Technology, pp 42–49, 7 May 1973 and “Cost Reductions Key to Wider FLIR Use”, AWAST, pp 48-53, 21 May 1973.
3. R.D. Hudson, Infrared System Engineering, Wiley-Interscience, 1969.
4. J.A. Jamieson, R.H. McFee, G.N. Plass, R.H. Grube, and R.G. Richards, Infrared Physics and Engineering, McGraw-Hill, 1963.
5. W.L. Wolfe, Editor, Handbook of Military Infrared Technology, Superintendent of Documents, U.S. Government Printing Office, 1965.