@misc{indiciaecf783b2a3c78,
  title = {Crop area estimation based on remotely-sensed data with an accurate but costly subsample},
  author = {Gunst, R. F.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19840011890},
  note = {Source identifier: 19840011890}
}