@misc{indiciaec302f9e68498,
  title = {Some processes occurring in a mass spec- trometer},
  author = {Chizhov, A. F. and Repnev, A. I.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19640017051},
  note = {Source identifier: 19640017051}
}