@misc{indiciae0517e972c05f,
  title = {Preliminary Nuclear Electric Propulsion (NEP) reliability study},
  author = {Hsieh, T. M. and Nakashima, A. M. and Mondt, J. F.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730017944},
  note = {Source identifier: 19730017944}
}