@misc{indiciae85de1fcd0d00,
  title = {Portable light source unit for simulating fires having an adjustable aperture},
  author = {Youngquist, Robert C. and Moerk, John S. and Strobel, James P.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/20080004818},
  note = {Source identifier: 20080004818}
}