@misc{indiciae27b50379aea8,
  title = {Contaminants in eggs of aquatic birds from the grasslands of central California},
  author = {R. L. Hothem and D. Welsh},
  year = {1994},
  doi = {10.1007/bf00214261},
  url = {https://pubs.usgs.gov/publication/5222768},
  note = {Source identifier: 5222768}
}