@misc{indiciae94e75fc58310,
  title = {Cesium electron bombardment ion engines.},
  author = {Reid, G. C. and Sohl, G. and Speiser, R. C.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660056327},
  note = {Source identifier: 19660056327}
}