@misc{indiciaeb57388050f49,
  title = {System Study: Emergency Power System 1998-2020},
  author = {Ma, Zhegang},
  year = {2022},
  doi = {10.2172/1894695},
  url = {https://www.osti.gov/biblio/1894695},
  note = {Source identifier: 1894695}
}