@misc{indiciaed28ec615fc79,
  title = {Uninsulated in-core thermionic diode concept.},
  author = {Davis, J. P. and Gronroos, H. G.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690051197},
  note = {Source identifier: 19690051197}
}