Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ishida Takahiro and Nagao Masayuki and Mizuno Yukio and Kosaki Masamitsu,Swarming Pulsive Microdischarge Characteristics of Internal Void Specimen and the Factors Affecting its Occurrence,IEEJ Transactions on Fundamentals and Materials,03854205,The Institute of Electrical Engineers of Japan,1993,113,1,43-52,https://cir.nii.ac.jp/crid/1390282679576616320,https://doi.org/10.1541/ieejfms1990.113.1_43