@misc{indiciaed5e35b088996,
  title = {Recent changes in California condor eggshells},
  author = {L.F. Kiff and David B. Peakall and S.R. Wilbur},
  year = {1979},
  doi = {10.2307/1367284},
  url = {https://pubs.usgs.gov/publication/5221130},
  note = {Source identifier: 5221130}
}