@misc{indiciaeba7d8f60b27a,
  title = {Winter bird-population study. 3. Oak--beech bluff forest},
  author = {J.W. Aldrich and A.J. Duvall},
  year = {1948},
  url = {https://pubs.usgs.gov/publication/5222901},
  note = {Source identifier: 5222901}
}