@misc{indiciae5d62a7c3044c,
  title = {Compound diffusion of cosmic rays},
  author = {Fisk, L. A. and Lingenfelter, R. E. and Ramaty, R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710007230},
  note = {Source identifier: 19710007230}
}