Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sugiyama Naoki,Issues and Recommendations for PSA after Fukushima Dai-ichi NPP Accidents,Journal of Japan Society for Safety Enginennring,05704480,Japan Soceiety for Safety Engineering,2011,50,6,389-395,https://cir.nii.ac.jp/crid/1390001206243815296,https://doi.org/10.18943/safety.50.6_389