@misc{indiciae369014b22a4f,
  title = {Empirical solar proton model for orbiting spacecraft applications},
  author = {Stassinopoulos, E. G. and King, J. H.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740054538},
  note = {Source identifier: 19740054538}
}