@misc{indiciae925a45bf1d79,
  title = {Optically thick line widths in pyrotechnic flares},
  author = {Douda, B. E. and Exton, R. J.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750049967},
  note = {Source identifier: 19750049967}
}