@misc{indiciae08157eb03a5d,
  title = {Contamination of the freshwater ecosystem by pesticides},
  author = {Oliver B. Cope},
  year = {1966},
  doi = {10.2307/2401442},
  url = {https://pubs.usgs.gov/publication/70171214},
  note = {Source identifier: 70171214}
}