@misc{indiciae7b331c5eba73,
  title = {Mission oriented study of advanced nuclear system parameters, phase 6. Volume 1 - Summary technical report Final report},
  author = {Callies, G. M. and Chovit, A. R. and Kennedy, R. D.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690028194},
  note = {Source identifier: 19690028194}
}