@misc{indiciae5177b4b4c281,
  title = {Upconversion of broadband infrared spectra},
  author = {Gurski, T. R. and Epps, H. W. and Maran, S. P.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780048721},
  note = {Source identifier: 19780048721}
}