1. ICRP (2007) The 2007 recommendations of the international commission on radiological protection. ICRP Publication 103. Ann ICRP 37.
2. World Health Organization (2013) Health risk assessment from the nuclear accident after the 2011 Great East Japan Earthquake and Tsunami based on a preliminary dose estimation.
3. UNSCEAR 2013 Reports to the General Assembly with Scientific Annexes,2014
4. Radiation dose rates now and in the future for residents neighboring restricted areas of the Fukushima Daiichi nuclear power plant;KH Harada;P Natl Acad Sci USA,2014
5. Reconstruction Agency (2014) Earthquake-related death on the Great East Japan Earthquake: http://www.reconstruction.go.jp/topics/main-cat2/sub-cat2-6/20140526131634.html. Accessed: Dec. 2014 [in Japanese]