Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fujioka Nobuhiro and Ohgaki Sadahiko and Kawasaki Hajime,Investigation of Tracking Test Method for Silicone Rubber,IEEJ Transactions on Fundamentals and Materials,03854205,The Institute of Electrical Engineers of Japan,1996,116,6,494-502,https://cir.nii.ac.jp/crid/1390282679576482944,https://doi.org/10.1541/ieejfms1990.116.6_494