1. 1) Tanaka, S. (2012) Accident at the Fukushima Dai-ichi nuclear power stations of TEPCO—outline & lessons learned—. Proc. Jpn. Acad., Ser. B, Phys. Biol. Sci. 88, 471–484.
2. 2) http://radioactivity.mext.go.jp/en/contents/6000/5790/24/203_0928_14e.pdf, last accessed, Feb. 14, 2013.
3. 3) United Nations Scientific Committee on the Effects of Atomic Radiation (1988) Exposures from the Chernobyl accident. In UNSCEAR 1988 Report: Sources, Effects and Risks of Ionizing Radiation, Annex D, United Nations publication, New York, pp. 309–343, ISBN13: 9789211422801.
4. 4) Airborne monitoring results are available at http://radioactivity.mext.go.jp/en/list/241/list-1.html, last accessed, Feb. 14, 2013.
5. 5) Soil Survey results are available at http://radioactivity.mext.go.jp/en/list/269/list-1.html, last accessed, Feb. 14, 2013.