@misc{indiciae6bebec06f872,
  title = {Cholinesterase inhibition of birds inhabiting wheat fields treated with methyl parathion and toxaphene},
  author = {K. R. Niethammer and Thomas S. Baskett},
  year = {1983},
  doi = {10.1007/bf01057591},
  url = {https://pubs.usgs.gov/publication/5221833},
  note = {Source identifier: 5221833}
}