@misc{indiciaeee2ca5feb34d,
  title = {Maximum likelihood estimation for the double-count method with independent observers},
  author = {Bryan F.J. Manly and Lyman L. McDonald and Gerald W. Garner},
  year = {1996},
  doi = {10.2307/1400364},
  url = {https://pubs.usgs.gov/publication/70182756},
  note = {Source identifier: 70182756}
}