@misc{indiciaeb4c474695af3,
  title = {Uses of conventional aerial photography in urban areas - review and bibliography},
  author = {Ashraf S. Manji},
  year = {1968},
  doi = {10.3133/ofr68175},
  url = {https://pubs.usgs.gov/publication/ofr68175},
  note = {Source identifier: ofr68175}
}