@misc{indiciae4c98fd5fbddc,
  title = {Near-term lunar nuclear thermal rocket engine options},
  author = {Pelaccio, Dennis G. and Scheil, Christine M. and Collins, John T.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910059486},
  note = {Source identifier: 19910059486}
}