著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) MAZZANI G,The role played by current phase shift on magnetic field established by ac double-circuit overhead transmission lines-Part I : Static analysis,IEEE Trans. on Power Delivery,,,2006,32,2,939-948,https://cir.nii.ac.jp/crid/1573950401221438208,