@misc{indiciaeb2f7522de5e6,
  title = {Acceleration of protons by interplanetary shocks},
  author = {Arens, J. F. and Ogilvie, K. W.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710036557},
  note = {Source identifier: 19710036557}
}