Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Bitoh Wataru and Tsukiji Makoto,Insulating Materials for Electric Apparatus at High Temperature,IEEJ Transactions on Fundamentals and Materials,03854205,The Institute of Electrical Engineers of Japan,1993,113,8,559-565,https://cir.nii.ac.jp/crid/1390282679575472000,https://doi.org/10.1541/ieejfms1990.113.8_559