@misc{indiciae9be59b49f9fb,
  title = {Toxicity of two insecticides to California, USA, anurans and its relevance to declining amphibian populations},
  author = {D. W. Sparling and G. M. Fellers},
  year = {2009},
  doi = {10.1897/08-336.1},
  url = {https://pubs.usgs.gov/publication/70037013},
  note = {Source identifier: 70037013}
}