@misc{indiciae9ecb2b47f6ee,
  title = {Particles and fields},
  author = {Kavanagh, L. D., Jr. and Roelof, E. C. and Schardt, A. W.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690016086},
  note = {Source identifier: 19690016086}
}