Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Narabayashi Tadashi and Sugiyama Kenichiro,Proposals for Increasing Defense in Depth for Severe Accident,Proceedings of Annual,,Atomic Energy Society of Japan,2011,2011f,0,353-353,https://cir.nii.ac.jp/crid/1390282680702868352,https://doi.org/10.11561/aesj.2011f.0.353.0