@misc{indiciae81c2569e2acd,
  title = {Digital reproduction of historical aerial photographic prints for preserving a deteriorating archive},
  author = {D.E. Luman and Christopher Stohr and L. Hunt},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/70019528},
  note = {Source identifier: 70019528}
}