@misc{indiciae1fc383c0659d,
  title = {A balloon-borne diffusing system for infrared radiation from 1 mu to 5 mu.},
  author = {Fink, U. and Ville, P.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670056968},
  note = {Source identifier: 19670056968}
}