@misc{indiciaeb4a26e0ac147,
  title = {The effect of exploitation on annual survival of mallard ducks: an ultrastructural model},
  author = {David R. Anderson and K.P. Burnham},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/70120389},
  note = {Source identifier: 70120389}
}