1. Nuclear Emergency Response Headquarters of Government of Japan,. Report of the Japanese Government to the IAEA Ministerial Conference on Nuclear Safety–The Accident at TEPCO's Fukushima Nuclear Power Stations.
http://japan.kantei.go.jp/kan/topics/201106/iaea_houkokusho_e.html
(2011) (Date of access:31/10/2014).
2. Nuclear Emergency Response Headquarters of Government of Japan, Additional Report of the Japanese Government to the IAEA–The Accident at TEPCO's Fukushima Nuclear Power Stations–(Second Report).
http://www.iaea.org/newscenter/focus/fukushima/japan-report2/japanreport120911.pdf#search='Report+of+the+Japanese+Government+to+the+IAEA'
(2011) (Date of access:31/10/2014).
3. Hosoda, M. et al. The time variation of dose rate artificially increased by the Fukushima nuclear crisis. Sci. Rep. 1, 87, 10.1038/srep00087 (2011).
4. Akahane, K. et al. The Fukushima Nuclear Power Plant accident and exposures in the environment. Environmentalist 32, 136–143 (2012).
5. Nuclear Regulation Authority of Japan, Monitoring information of environmental radioactivity level, Results of Airborne Monitoring by the MEXT and the U. S. Department of Energy.
http://radioactivity.nsr.go.jp/en/contents/4000/3180/view.html
(2011) (Date of access:31/10/2014).