@misc{indiciaed5be388e39c7,
  title = {Acceleration of protons by interplanetary shocks},
  author = {Arens, J. F. and Ogilvie, K. W.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700013370},
  note = {Source identifier: 19700013370}
}