@misc{indiciae49ebd0fb4cd3,
  title = {Forty-first breeding bird census. 24. Upland tulip-tree-maple-oak forest},
  author = {C.S. Robbins},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/5220866},
  note = {Source identifier: 5220866}
}