@misc{indiciaedf7c6113bbb9,
  title = {Determining availability of LANDSAT imagery at the EROS Data Center: a slide-cassette training module},
  author = {James A. Nickerson},
  year = {1976},
  doi = {10.3133/ofr7621},
  url = {https://pubs.usgs.gov/publication/ofr7621},
  note = {Source identifier: ofr7621}
}