@misc{indiciaea9247ef3f384,
  title = {An historical perspective of the NERVA nuclear rocket engine technology program},
  author = {Robbins, W. H. and Finger, H. B.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910067738},
  note = {Source identifier: 19910067738}
}