@misc{indiciaeaf65a114e6c9,
  title = {Ion flow experiments in a multipole discharge chamber},
  author = {Kaufman, H. R. and Robinson, R. S. and Frisa, L. E.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19830033180},
  note = {Source identifier: 19830033180}
}