@misc{indiciaeac2e4b318ca6,
  title = {A one millipound cesium ion thruster system},
  author = {Dillon, T. and Gant, G. and James, E. and Jan, L. and Trump, G. and Worlock, R.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700064089},
  note = {Source identifier: 19700064089}
}