@misc{indiciaef588c1ee710b,
  title = {Advanced thermionic converter developments with microwave external pumping},
  author = {Chiu, H. S. and Shaw, D. T. and Manikopulos, C. N. and Lee, C. H.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770066039},
  note = {Source identifier: 19770066039}
}