@misc{indiciaef6203db43b40,
  title = {Electrodes for thermionic energy conversion},
  author = {Rufeh, F. and Sommer, A. H. and Huffman, F. N.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750061885},
  note = {Source identifier: 19750061885}
}