1. Frey, J.“The growth of microwave systems and applications,”Amer. Public Health Assoc, Atlantic City, New York, pp. 79–95, Nov. 1972.
2. Office of Telecommunication Policy,“Program for control of electromagnetic pollution of the environment”The Assessment of Biological Hazards of Nonionizing Electromagnetic Radiation,March 1973.
3. Office of Telecommunication Policy,“Program for control of electromagnetic pollution of the environment:”The Assessment of Biological Hazards on Nonionizing Electromagnetic Radiation, 2nd Report, May 1974.
4. Office of Telecommunication Policy,“Program for control of electromagnetic pollution of the environment:”The Assessment of Biological Hazards of Nonionizing Electromagnetic Radiation, 3rd Report, April 1975.
5. Office of Telecommunication Policy,“Program for control of electromagnetic pollution of the environment:”The Assessment of Biological Hazards of Nonionizing Electromagnetic Radiation, 4th Report, June 1976.