@misc{indiciae4a75b9a7c054,
  title = {A hybrid double-observer sightability model for aerial surveys},
  author = {Paul C. Griffin and Bruce C. Lubow and Kurt J. Jenkins and David J. Vales and Barbara J. Moeller and Mason Reid and Patricia J. Happe and Scott M. Mccorquodale and Michelle J. Tirhi and Jim P. Schaberi and Katherine Beirne},
  year = {2013},
  doi = {10.1002/jwmg.612},
  url = {https://pubs.usgs.gov/publication/70048387},
  note = {Source identifier: 70048387}
}