@misc{indiciae22ac93703f83,
  title = {Supplemental feeding program for California condors},
  author = {S.R. Wilbur and W.D. Carrier and J.C. Borneman},
  year = {1974},
  doi = {10.2307/3800743},
  url = {https://pubs.usgs.gov/publication/5221017},
  note = {Source identifier: 5221017}
}