Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nishi Hajime,Study of the Steady-State Stability Limit in the Two-Machines Connected to an Infinite Bus System,IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,2001,121,2,210-216,https://cir.nii.ac.jp/crid/1390282679581560832,https://doi.org/10.1541/ieejpes1990.121.2_210