@article{EE-ZT-JWSP-EF-MP-HH:20k,
  author =	 {E. Ekomwenrenren and Z. Tang and J. W. Simpson-Porco and E. Farantatos and M. Patel and H. Hooshyar},
  title =	 {Hierarchical Coordinated Fast Frequency Control using Inverter-Based Resources},
  journal = {{IEEE} Transactions on Power Systems},
  year =	 2021,
  month = nov,
  volume = {36},
  number = {6},
  pages = {4992-5005},
  pdf =	 {http://www.control.utoronto.ca/~jwsimpson/papers/2020k.pdf},
  keywords = {Power Systems, Distributed Control},
  doi = {10.1109/TPWRS.2021.3075641},
}