Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yamada Tomoyuki and Takagi Masaaki and Yamamoto Hiromi and Yamaji Kenji,Study on Design Standard of Distribution Transformers considering Economic Efficiency and CO2 Emissions,IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,2010,130,9,826-832,https://cir.nii.ac.jp/crid/1390282679579030528,https://doi.org/10.1541/ieejpes.130.826