@misc{indiciaeed5c5d493976,
  title = {Data processing programs for aerial gamma-ray data},
  author = {Joseph S. Duval1},
  year = {1985},
  doi = {10.3133/ofr85359},
  url = {https://pubs.usgs.gov/publication/ofr85359},
  note = {Source identifier: ofr85359}
}