@misc{indiciae56b0d514b3b4,
  title = {Ground control requirements for precision processing of ERTS images},
  author = {Thomas C. Burger},
  year = {1972},
  doi = {10.3133/70039511},
  url = {https://pubs.usgs.gov/publication/70039511},
  note = {Source identifier: 70039511}
}