Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Goro Sawa and H. Kawamura and S. Yamanaka and T. Seguchi,The polarization phenomenon of EPR without filler at high temperatures,1998 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.98CH36257),,IEEE,2002-11-27,1,,278-281,https://cir.nii.ac.jp/crid/1874242817827467520,https://doi.org/10.1109/ceidp.1998.733971