@misc{indiciaee5f9b8deee53,
  title = {A sub-millipound mercury electron-bombardment thruster},
  author = {Banks, B. A. and Lathem, W. C. and Nakanishi, S. and Reader, P. D.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700017719},
  note = {Source identifier: 19700017719}
}