Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 市川 紀充,Valuable Electrical Safety,The Journal of the Institute of Electrical Installation Engineers of Japan,09100350,The Institute of Electrical Installation Engineers of Japan,2013,33,4,239-243,https://cir.nii.ac.jp/crid/1390282680722714880,https://doi.org/10.14936/ieiej.33.239