1. Von R. Eshleman, “The mechanism of radio reflections from meteoric ionization,” Electronics Research Laboratory, Stanford University, Palo Alto, California, Technical Report No. 29, July 15, 1952.
2. Bennett Bovarnick, “Microwave detection of shock waves,” Upper Atmosphere Research Laboratory, Boston University, Technical Note 5, August 24, 1949.
3. Technical Report ONRL-130-51, Report of Basic Research on Combustion, Detonation, and Shock Waves at the Laboratoire de Recherches Techniques de Saint Louis.
4. T. Moreno,Microwave Transmission Design Data(McGraw-Hill Book Company, Inc., New York, 1948), p. 201–207.
5. S. Ramo and J. R. Whinnery,Fields and Waves in Modern Radio(John Wiley and Sons, Inc., New York, 1944), p. 332–353.