@misc{indiciae71a8186340a5,
  title = {Field-aligned current observations in the polar cusp ionosphere},
  author = {Ledley, B. G. and Farthing, W. H.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740057191},
  note = {Source identifier: 19740057191}
}