@misc{indiciaeebcf0d1c8049,
  title = {The impact of the introduction of duck virus enteritis (duck plague) to the commercial duck industry and other waterfowl in the United States},
  author = {J.T. Walker and William D. Urban and H.E. Nadler and Louis N. Locke},
  year = {1971},
  url = {https://pubs.usgs.gov/publication/70260099},
  note = {Source identifier: 70260099}
}