@misc{indiciae4b1f6db88236,
  title = {Effects of egg order on organic and inorganic element concentrations and egg characteristics in tree swallows, tachycineta bicolor},
  author = {Christine M. Custer and Brian R. Gray and Thomas W. Custer},
  year = {2009},
  doi = {10.1002/etc.88},
  url = {https://pubs.usgs.gov/publication/70034318},
  note = {Source identifier: 70034318}
}