@misc{indiciae0ca2c3616f1a,
  title = {Concentrations of polycyclic aromatic hydrocarbons (PAHs) in urban stormwater, Madison, Wisconsin, 2005–08},
  author = {William R. Selbig},
  year = {2009},
  doi = {10.3133/ofr20091077},
  url = {https://pubs.usgs.gov/publication/ofr20091077},
  note = {Source identifier: ofr20091077}
}