@misc{indiciaeeee22b37995a,
  title = {Ionizing gas breakdown waves in strong electric fields.},
  author = {Klingbeil, R. and Tidman, D. A. and Fernsler, R. F.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730027261},
  note = {Source identifier: 19730027261}
}