@misc{indiciae44aad1b7e89f,
  title = {Use of an airborne Fraunhofer line discriminator for the detection of solar stimulated luminescence},
  author = {Robert D. Watson and William R. Hemphill},
  year = {1976},
  doi = {10.3133/ofr76202},
  url = {https://pubs.usgs.gov/publication/ofr76202},
  note = {Source identifier: ofr76202}
}