@misc{indiciaee7af6c9f1bee,
  title = {Propulsion system requirements for a multi-mission nuclear electric spacecraft.},
  author = {Schaupp, R. W. and Sawyer, C. D.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720042560},
  note = {Source identifier: 19720042560}
}