@misc{indiciae40bbc17bf6fd,
  title = {Model solar proton environments for manned spacecraft design},
  author = {Hardy, A. C. and Modisette, J. L. and Vinson, T. M.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19650011395},
  note = {Source identifier: 19650011395}
}