@article{umezu_1961, 
  title={Transient Characteristics of Exciterless Self-excited Compound Alternator and its Effect on System Stability}, 
  volume={81}, 
  DOI={10.11526/ieejjournal1888.81.403}, 
  number={870}, 
  publisher={The Institute of Electrical Engineers of Japan}, 
  author={UMEZU, T.}, 
  year={1961}
  }