@misc{indiciae26c96679c9f2,
  title = {The distribution of botulinus toxin in duck sickness areas},
  author = {D. R. Coburn and E. R. Quortrup},
  year = {1938},
  url = {https://pubs.usgs.gov/publication/70196445},
  note = {Source identifier: 70196445}
}