Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shigemitsu Okabe,Dielectric Withstand Voltage Tests and Test Conversion Factors for Oil-Filled Transformers,IEEE Transactions on Dielectrics and Electrical Insulation,1070-9878,Institute of Electrical and Electronics Engineers (IEEE),2008-04-01,15,,583-590,https://cir.nii.ac.jp/crid/1871146592877883136,https://doi.org/10.1109/tdei.2008.4483480