@misc{indiciaefa209ce39975,
  title = {Use of wetland habitats by birds in the National Petroleum Reserve-Alaska},
  author = {Dirk V. Derksen and Thomas C. Rothe and William D. Eldridge},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/rp141},
  note = {Source identifier: rp141}
}