@misc{indiciae9d5303dc6d8e,
  title = {Cesium contact ion microthruster experiment aboard applications technology satellite /ATS/ - iv.},
  author = {Bartlett, R. O. and Hunter, R. E. and James, E. L. and Worlock, R. M.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690065249},
  note = {Source identifier: 19690065249}
}