@misc{indiciae08ab2b2e0ad6,
  title = {Cesium electron bombardment ion engines.},
  author = {Reid, G. and Sohl, G. and Speiser, R. C.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19650046259},
  note = {Source identifier: 19650046259}
}