@misc{indiciae6ba4f2ec2017,
  title = {Nuclear thermal rockets - Key to moon-Mars exploration},
  author = {Borowski, Stanley K. and Clark, John S. and Mcilwain, Melvin C. and Pelaccio, Dennis G.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920065761},
  note = {Source identifier: 19920065761}
}