@misc{indiciaea1c96a4ae0c7,
  title = {EXPERIMENTAL INVESTIGATION FOR OBTAINING STABLE NEGATIVE IONS.},
  author = {Dong, W. D. and Kilpatrick, W. D. and Teem, J. M.},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19620001535},
  note = {Source identifier: 19620001535}
}