@misc{indiciae967c7bb75d01,
  title = {High efficiency thermionic converter studies},
  author = {Huffman, F. N. and Sommer, A. H. and Balestra, C. L. and Briere, T. R. and Lieb, D. and Oettinger, P. E. and Goodale, D. B.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770025648},
  note = {Source identifier: 19770025648}
}