@misc{indiciaee5ff733dd0e0,
  title = {Selenium and metal concentrations in waterbird eggs and chicks at Agassiz National Wildlife Refuge, Minnesota},
  author = {T. W. Custer and Christine M. Custer and B.A. Eichhorst and D. Warburton},
  year = {2007},
  doi = {10.1007/s00244-006-0139-7},
  url = {https://pubs.usgs.gov/publication/70030903},
  note = {Source identifier: 70030903}
}