1. 1) The evaluation status of reactor core damage at Fukushima Daiichi nuclear power station units 1 to 3, (Tokyo Electric Power Company, Nov. 30, 2011): http://www.tepco.co.jp/nu/fukushima-np/images/handouts_111130_07-j.pdf
2. 2) Seismic damage information in the period Mar. 11-Jul. 31, (Nuclear and Industrial Safety Agency, Sep.1, 2011): http://www.meti.go.jp/press/2011/09/20110901006/20110901006-6.pdf
3. 3) NRC information notice 2002-11 (US Nuclear Regulatory Commission, Washington, 2002): http://www.nrc.gov/reading-rm/doc-collections/gen-comm/info-notices/2002/in02011.html
4. 4) NUREG/CR-6875 (US Nuclear Regulatory Commission, Washington, 2005) pp. 1-48.
5. 5) Interim report of the Investigation Committee on the accident at the Fukushima nuclear power stations of Tokyo Electric Power Company, (Dec.26, 2011) pp. II-13.