@misc{indiciae6e99a1229c7b,
  title = {Multimegawatt thermionic reactor systems for space applications.},
  author = {Hill, P. R. and Sawyer, C. D. and Wilkins, D. R.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690051194},
  note = {Source identifier: 19690051194}
}