@misc{indiciae78ce5fd9cd54,
  title = {Analyzing thematic maps and mapping for accuracy},
  author = {G.H. Rosenfield},
  year = {1982},
  doi = {10.3133/ofr82239},
  url = {https://pubs.usgs.gov/publication/ofr82239},
  note = {Source identifier: ofr82239}
}