1. NERH (Nuclear Emergency Response Headquarters) (2011) Report of Japanese Government to the IAEA Ministerial Conference on Nuclear Safety—The Accident at TEPCO’s Fukushima Nuclear Power Stations, http://www.kantei.go.jp/foreign/kan/topics/201106/iaea_houkokusho_e.html
2. Tsumune D, Tsubono T, Aoyama M, Hirose K (2012) J Environ Radioact 111:100–108
3. Chernobyl Forum (2005) Environmental consequences of the chernobyl accident and their remediation: twenty years of experience. Report of the UN Chernobyl Forum Expert Group “Environment” (EGE). http://www-ns.iaea.org/downloads/rw/meetings/environ-consequences-report-wm-08.05.pdf . Accessed 10 Oct 13
4. NRA (Nuclear Regulation Authority) (2011) http://radioactivity.nsr.go.jp/contents/4000/3709/24/1305819_0616_2.pdf
5. NSC (2011) Trial estimation of emission of radioactive materials (131I, 137Cs) into atmosphere from Fukushima Dai-ichi Nuclear Power Station. http://www.nsc.go.jp/NSCenglish/geje/2011%200412%20press.pdf Accessed 10 Oct 2013