@misc{indiciae4aa3ce144ae4,
  title = {Winter bird populations in pine and pine-hardwood forest stands in East Texas},
  author = {J.G. Dickson and C.A. Segelquist},
  year = {1977},
  url = {https://pubs.usgs.gov/publication/70119607},
  note = {Source identifier: 70119607}
}