@article{JWSP:20b,
  author =	 {J. W. Simpson-Porco},
  title =	 {On Stability of Distributed-Averaging Proportional-Integral Frequency Control in Power Systems},
  journal = {{IEEE} {C}ontrol {S}ystems {L}etters},
  month = apr,
  year =	 2021,
  volume = {5},
  number = {2},
  pages = {677-682},
  pdf =	 {http://www.control.utoronto.ca/~jwsimpson/papers/2020b.pdf},
  keywords =	 {Nonlinear Control, Power Systems},
  doi = {10.1109/LCSYS.2020.3004024},
}