@misc{indiciae6a21ef8f8634,
  title = {Further declines in organochlorines in eggs of red-breasted mergansers from Lake Michigan, 1977-1978 versus 1990 versus 2002},
  author = {G. H. Heinz and K. L. Stromborg},
  year = {2008},
  doi = {10.1007/s10661-008-0619-5},
  url = {https://pubs.usgs.gov/publication/70035858},
  note = {Source identifier: 70035858}
}