@misc{indiciae425970a30444,
  title = {Breeding bird census, 1990: 8. Isolated moist tuliptree-red maple upland forest},
  author = {C.S. Robbins},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/5223673},
  note = {Source identifier: 5223673}
}