参考書『特攻兵器「原爆」』水原紫織・著 https://www.amazon.co.jp/dp/4864715823/ref=cm_sw_r_cp_api_glt_i_MJKRM54B2BNBJDDN8F1N?_encoding=UTF8&psc=1
http://www.nicovideo.jp/watch/sm39136848
