@misc{indiciae8bf53916dac8,
  title = {Reliability of determining sex and age of band-tailed pigeons by plumage characters},
  author = {M.F. Passmore and R. L. Jarvis},
  year = {1979},
  url = {https://pubs.usgs.gov/publication/5220922},
  note = {Source identifier: 5220922}
}