@misc{indiciae82ca6a2540e2,
  title = {SOLPRO: A computer code to calculate probabilistic energetic solar proton fluences},
  author = {Stassinopoulos, E. G.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750015379},
  note = {Source identifier: 19750015379}
}