@misc{indiciae488f17acb775,
  title = {Modulation of low energy galactic cosmic rays},
  author = {Fichtel, C. E. and Guss, D. E. and Kniffen, D. A. and Neelakantan, K. A.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19650001080},
  note = {Source identifier: 19650001080}
}