1. 1Fowler, E.B. (Ed.), Radioactive Fallout, Soils, Plants, Foods, Man, Elsevier, Amsterdam, 1965.
2. 2United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), Sources and Effects of Ionizing Radiation, United Nations, New York, NY, 1977.
3. 3United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), Sources, Effects and Risks of Ionizing Radiation, United Nations, New York, NY, 1988.
4. 4World Health Organization (WHO), Derived Intervention Levels for Radionuclides in Food, World Health Organization, Geneva, 1988.
5. 5International Atomic Energy Agency (IAEA), International Basic Safety Standards for Protection against Ionizing Radiation and for the Safety of Radiation Sources, IAEA, Vienna, 1996.