@misc{indiciae47e722667cfe,
  title = {Observations of plasma waves in space},
  author = {Crook, G. M. and Fredricks, R. W. and Green, I. M. and Kennel, C. F. and Scarf, F. L.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700041260},
  note = {Source identifier: 19700041260}
}