@misc{indiciaeb511548805ed,
  title = {Primary molt of California condors},
  author = {N.F.R. Snyder and E.V. Johnson and D.A. Clendenen},
  year = {1987},
  doi = {10.2307/1368637},
  url = {https://pubs.usgs.gov/publication/5222164},
  note = {Source identifier: 5222164}
}