@misc{indiciae86abd5badef7,
  title = {Coherent ion acceleration at a density gradient},
  author = {Hsieh, S. L. and Bloomberg, H. W. and Gary, S. P.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750050613},
  note = {Source identifier: 19750050613}
}