Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Usui Masahiro and Iwamoto Shinichi,On-line Network Parameter Estimations using Global Positioning System (GPS),IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,1997,117,6,822-829,https://cir.nii.ac.jp/crid/1390282679581208064,https://doi.org/10.1541/ieejpes1990.117.6_822