@misc{indiciae0fd3434d1976,
  title = {Updated solid-core nuclear thermal propulsion engine trades},
  author = {Pelaccio, Dennis G. and Scheil, Christine M. and Livingston, Julie M.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910067780},
  note = {Source identifier: 19910067780}
}