1. 1986 Recommendations of the International Commission on Radiological Protection,1986
2. 1990 Recommendations of the International Commission on Radiological Protection,1991
3. 2000 Recommendations of the International Commission on Radiological Protection,2000
4. 2003 Recommendations of the International Commission on Radiological Protection,2003
5. UNSCEAR, 1993. Sources and effects of ionizing radiation. Report to General Assembly, with Scientific Annexes. United Nations, New York.