@misc{indiciae45e93b94bbf0,
  title = {Supersonic combustion engine testbed, heat lightning},
  author = {Hoying, D. and Kelble, C. and Langenbahn, A. and Stahl, M. and Tincher, M. and Walsh, M. and Wisler, S.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910000748},
  note = {Source identifier: 19910000748}
}