@misc{indiciae9f5f07e73f32,
  title = {Secondary poisoning of barn owls with famphur, an organophosphate insecticide},
  author = {Elwood F. Hill and Vivian M. Mendenhall},
  year = {1980},
  doi = {10.2307/3808017},
  url = {https://pubs.usgs.gov/publication/5221591},
  note = {Source identifier: 5221591}
}