1. C. M. LEDERER, V. S. SHIRLEY (Eds), Table of Isotopes, J. Wiley, New York, 1978.
2. J. R. JOHNSON, Annual Limits on Intake and Derived Air Concentrations for the Radioiodines with Mass Numbers from 123 to 135. Atomic Energy of Canada, AECL-5701, 1977.
3. J. C. WIDMAN, E. R POWSNER, P. A. PLATO, Int. J. Appl. Radiat. Isotopes, 31 (1980) 375.
4. ICRP, Publication;International Commission On Radiological Protection,1971
5. S. LINDSAY, G. D. POTTER, I. L. CHAIKOFF, Cancer Res., 17 (1957) 183.