@misc{indiciae4cbdc7624081,
  title = {Twenty-eighth winter bird-population study. 12. Hickory-oak-ash floodplain forest},
  author = {C.S. Robbins},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/5222206},
  note = {Source identifier: 5222206}
}