@misc{indiciae5420cd2c9e85,
  title = {Theoretical background for thermionic conversion including space-charge theory, Schottky theory, and the isothermal diode sheath theory},
  author = {Breitwieser, R. and Nottingham, W. B.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660009144},
  note = {Source identifier: 19660009144}
}