@misc{indiciae92ea75ca1d8c,
  title = {Ionospheric electric field instrument development.},
  author = {Jacobs, H. and Levy, G. and Shriver, E.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680063998},
  note = {Source identifier: 19680063998}
}