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3. 3) K. AKIMOTO; Development and issues of air dose rate monitoring systems in fukushima prefecture with emphasis on portable monitoring posts, Jpn. J. Health. Phys., 52 (1), 13-26 (2017).
4. 4) Nuclear Regulation Authority Japan; Gensiryoku saigai taisaku shishin [Nuclear emergency response guideline] Websites [online]. Available at: http://www.nsr.go.jp/data/000024441.pdf, Accessed 9 May 2018.
5. 5) Nuclear Regulation Authority Japan; Genshiryoku saigai ji niokeru hinantaiikijikensa oyobi kanni josen manyuaru [The manual of evacuation exit inspections and simplified decontamination at nuclear disaster] Websites [online]. Available at: http://www.nsr.go.jp/data/000119567.pdf, Accessed 9 May 2018.