@misc{indiciae5481ee7965db,
  title = {Ionospheric composition in SAR-arcs},
  author = {Raitt, W. J. and Schunk, R. W. and Banks, P. M.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760039995},
  note = {Source identifier: 19760039995}
}