@misc{indiciae182470c4c0b8,
  title = {Stop- and pass-bands for harmonic ion cyclotron waves.},
  author = {Dougal, A. A. and Kristiansen, M.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690039964},
  note = {Source identifier: 19690039964}
}