@misc{indiciae3b25319be3cb,
  title = {Compact spectroradiometer},
  author = {Seward, H. H. and Mcwilliams, I. G. and Davidson, G. A.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710024913},
  note = {Source identifier: 19710024913}
}