@misc{indiciaef765ea414f60,
  title = {Thermionic reactor electric propulsion system requirements.},
  author = {Mondt, J. F. and Sawyer, C. D. and Schaupp, R. W.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720052501},
  note = {Source identifier: 19720052501}
}