@misc{indiciaeb97b53009fa9,
  title = {An engineering evaluation of advanced nuclear thermionic space powerplants},
  author = {Bolan, P. and Bordner, G. and Cohen, R.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19640018498},
  note = {Source identifier: 19640018498}
}