Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Okubo Hitoshi,Technical Trend of Environment-friendly High Voltage Vacuum Circuit Breaker (VCB).,IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,2003,123,2,129-132,https://cir.nii.ac.jp/crid/1390001204600319104,https://doi.org/10.1541/ieejpes.123.129