@misc{indiciaea18c61ccd333,
  title = {Lunar in-core thermionic nuclear reactor power system conceptual design},
  author = {Mason, Lee S. and Schmitz, Paul C. and Gallup, Donald R.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930029839},
  note = {Source identifier: 19930029839}
}