@misc{indiciae97d017ec1229,
  title = {Safe, Affordable, Nuclear Thermal Propulsion Systems},
  author = {Houts, M. G. and Kim, T. and Emrich, W. J. and Hickman, R. R. and Broadway, J. W. and Gerrish, H. P. and Doughty, G. E.},
  year = {2014},
  url = {https://ntrs.nasa.gov/citations/20140010981},
  note = {Source identifier: 20140010981}
}