@misc{indiciae4a2736e60d73,
  title = {Estimating wildlife habitat variables},
  author = {Robert L. Hays and Cliff Summers and William Seitz},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/fwsobs81\_47},
  note = {Source identifier: fwsobs81\_47}
}