@misc{indiciaeac6a193e17f7,
  title = {Calculation of voltages in electric power transmission lines during historic geomagnetic storms: An investigation using realistic earth impedances},
  author = {Greg M. Lucas and Jeffrey J. Love and Anna Kelbert},
  year = {2018},
  doi = {10.1002/2017sw001779},
  url = {https://pubs.usgs.gov/publication/70195684},
  note = {Source identifier: 70195684}
}