@misc{indiciae24259964e131,
  title = {Cosmic ray sources: Evidence for two acceleration mechanisms},
  author = {Ramaty, R. and Balasubrahmanyan, V. K. and Ormes, J. F.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730007114},
  note = {Source identifier: 19730007114}
}