@misc{indiciae3a46d3e32505,
  title = {Generation of housing quality data from multiband aerial photographs},
  author = {Barry S. Wellar},
  year = {1968},
  doi = {10.3133/ofr68318},
  url = {https://pubs.usgs.gov/publication/ofr68318},
  note = {Source identifier: ofr68318}
}