@misc{indiciaee210a32e5866,
  title = {Twenty-seventh winter bird-population study. 11. Hickory-oak-ash floodplain forest},
  author = {C.S. Robbins},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/5220883},
  note = {Source identifier: 5220883}
}