@misc{indiciae8eee39ecc34d,
  title = {Prompt solar proton events and coronal mass ejections},
  author = {Kahler, S. W. and Hildner, E. and Van Hollebeke, M. A. I.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780060960},
  note = {Source identifier: 19780060960}
}