Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HATANAKA Tsutomu and ICHIKAWA Kohsei and YAMAMOTO Tetsumi and HAMADA Emi and ONUMA Mitsuru,Common Grounding System with Building Structure and Safety of Electrical System,電気設備学会全国大会講演論文集,,,2007-08-01,25,,199-202,https://cir.nii.ac.jp/crid/1572261551114357632,