@misc{indiciae27fbc76a0ff6,
  title = {Breeding bird census, 1990: 48. Isolated oak-tuliptree-pine upland forest},
  author = {C.S. Robbins},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/5222750},
  note = {Source identifier: 5222750}
}