@misc{indiciae58ec11830c2f,
  title = {Investigation of eggshell thickness and biochemical indicators of contaminant exposure in Great Blue Herons(Ardea herodias) from Mason Neck National Wildlife Refuge},
  author = {K.N. Johnson and A.E. Pinkney and M. J. Melancon and D. J. Hoffman},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/5200252},
  note = {Source identifier: 5200252}
}