@misc{indiciaece15b5e54509,
  title = {Duck plague in free-flying waterfowl observed during the Lake Andes epizootic},
  author = {S.J. Proctor and G.L. Pearson and Louis Leibovitz},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/1001328},
  note = {Source identifier: 1001328}
}