@misc{indiciae13adda1143c8,
  title = {Breeding bird census: 10. Isolated tuliptree-beech forest},
  author = {M. O'Brien and B.A. Dowell},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/5222330},
  note = {Source identifier: 5222330}
}