@misc{indiciae3f2793fdda06,
  title = {First annual fixed-wing survey.},
  year = {1990},
  doi = {10.1016/s1046-9095(05)80070-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/10106234/},
  note = {Source identifier: 10106234}
}