@misc{indiciaef63152240416,
  title = {Status of Return Beam Vidicon (RBV) imagery},
  author = {Alden P. Colvocoresses},
  year = {1980},
  doi = {10.3133/ofr80647},
  url = {https://pubs.usgs.gov/publication/ofr80647},
  note = {Source identifier: ofr80647}
}