@misc{indiciae112b15707f34,
  title = {Comparative toxicity of chlorpyrifos, diazinon, malathion and their oxon derivatives to larval Rana boylii},
  author = {D. W. Sparling and G. Fellers},
  year = {2007},
  doi = {10.1016/j.envpol.2006.10.036},
  url = {https://pubs.usgs.gov/publication/70030185},
  note = {Source identifier: 70030185}
}