1. 1) Information material of Special Committee on In-land Earthquake in Metropolitan Area, 2005. (in Japanese)
2. 2) City and Regional Development Bureau, Ministry of Land, Infrastructure and Transport: Press release, July 11, 2003. (in Japanese) http://www.mlit.go.jp/kisha/kisha03/07/070711_.html
3. 3) Tokyo Metropolitan Government: The fifth survey report on distrct-based vulnerability to an earthquake, 1997. (in Japanese)
4. 4) Ministry of Construction: Development report of urban countermeasures against fire, 1982. (in Japanese)
5. 5) E. Itoikawa, et al.: Study on fire-prevention regionality and city fire-prevention targets, Proceedings of City Planning Institute of Japan, No. 22, 1991. (in Japanese)