@misc{indiciae1b3f759f6c0b,
  title = {Bird population density estimated from acoustic signals},
  author = {D.K. Dawson and M.G. Efford},
  year = {2009},
  doi = {10.1111/j.1365-2664.2009.01731.x},
  url = {https://pubs.usgs.gov/publication/70035444},
  note = {Source identifier: 70035444}
}