@misc{indiciaeb452485e4a4c,
  title = {ULF wave electric fields at synchronous orbit during substorms},
  author = {Laakso, Harri and Janhunen, Pekka},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19950011880},
  note = {Source identifier: 19950011880}
}