@misc{indiciae8c3e202d7293,
  title = {Automatic Land Use Classification in Minnesota},
  author = {Cheung, M. and Pile, D. and Swanlund, G. D. and Zirkle, R.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730008705},
  note = {Source identifier: 19730008705}
}