@misc{indiciae2a1c8e896734,
  title = {Contaminant concentrations and biomarker response in great blue heron eggs from 10 colonies on the upper Mississippi River, USA},
  author = {T. W. Custer and R. K. Hines and M. J. Melancon and D. J. Hoffman and J.K. Wickliffe and J. W. Bickham and J.W. Martin and D.S. Henshel},
  year = {1997},
  doi = {10.1002/etc.5620160223},
  url = {https://pubs.usgs.gov/publication/1003008},
  note = {Source identifier: 1003008}
}