@misc{indiciaeb9abc82afef7,
  title = {Exposure of waterfowl to lead: A nationwide survey of residues in wing bones of seven species, 1972-73},
  author = {Rey C. Stendell and R.I. Smith and K.P. Burnham and R. E. Christensen},
  year = {1979},
  url = {https://pubs.usgs.gov/publication/5230153},
  note = {Source identifier: 5230153}
}