@misc{indiciae63778958c69c,
  title = {Radiowave Scattering in the Outer Heliosphere},
  author = {Armstrong, J. and Cotes, W. and Rickett, B.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20060034113},
  note = {Source identifier: 20060034113}
}