1. Report of ICRP Committee II on Permissible Dase for Internal Radiation Pergamon Press, London, (1959); Health Phys. 3, (1960).
2. Recommendations of the National Committee on Radiation Protection and Measurements, Maximum Permissible Body Burden and Maximum Permissible Concentrations of Radionuclides in Air and in Water for Occupational Exposure, National Bureau of Standards Handbook 69, U.S. Government Printing Office, Washington, D.C. (1959).
3. Air Pollution.;STERN,1962
4. Physical Origin and Dispersion of Radioiodine
5. D. V. BOOKER, Atomic Energy Research Establishment, Harwell, AERE HP/R 2607 (1958).