@misc{indiciaecc4bb5facf50,
  title = {Langmuir probe response to periodic waveforms},
  author = {Crawford, F. W. and Mlodnosky, R. F.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19640023237},
  note = {Source identifier: 19640023237}
}