@misc{indiciae4b53402c1bff,
  title = {Declining scaup populations: issues, hypotheses, and research needs},
  author = {J. E. Austin and A. D. Afton and M.G. Anderson and R. G. Clark and Christine M. Custer and J.S. Lawrence and J.B. Pollard and J.K. Ringelman},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/1003542},
  note = {Source identifier: 1003542}
}