@misc{indiciae12be0161a764,
  title = {Brain cholinesterase activities of passerine birds in forests sprayed with cholinesterase inhibiting insecticides},
  author = {J.G. Zinkl and Charles J. Henny and P.J. Shea},
  year = {1979},
  url = {https://pubs.usgs.gov/publication/5210211},
  note = {Source identifier: 5210211}
}