Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
専田 禎 and 井上 義一,世界の直流送電設備と運転実績,The Journal of the Institute of Electrical Engineers of Japan,00202878,The Institute of Electrical Engineers of Japan,1979,99,1,3-10,https://cir.nii.ac.jp/crid/1390282680123352832,https://doi.org/10.11526/ieejjournal1888.99.3