@misc{indiciaef821d0be0719,
  title = {The economic feasibility of operational earth sensing from space},
  author = {Alden P. Colvocoresses},
  year = {1982},
  doi = {10.3133/ofr82250},
  url = {https://pubs.usgs.gov/publication/ofr82250},
  note = {Source identifier: ofr82250}
}