@misc{indiciae591ddf2512ee,
  title = {Evaluation of thermionic emitter surfaces.},
  author = {Kitrilakis, S. S. and Lieb, D. and Miskolczy, G. and Van Someren, L.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680039763},
  note = {Source identifier: 19680039763}
}