@misc{indiciae94ee37551597,
  title = {Comparison of a UV scanner/photomultiplier with an image orthicon},
  author = {Howard Goldman and Robert Marshall},
  year = {1967},
  doi = {10.3133/ofr6795},
  url = {https://pubs.usgs.gov/publication/ofr6795},
  note = {Source identifier: ofr6795}
}