@misc{indiciaed47cef62636e,
  title = {The SP-100 space reactor as a power source for Mars exploration missions},
  author = {Isenberg, Lon and Heller, Jack A.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900029634},
  note = {Source identifier: 19900029634}
}