@misc{indiciae8d99b7dbabc8,
  title = {Biotransformation of caffeine, cotinine, and nicotine in stream sediments: Implications for use as wastewater indicators},
  author = {Paul M. Bradley and Larry B. Barber and Dana W. Kolpin and Peter B. McMahon and Francis H. Chapelle},
  year = {2007},
  doi = {10.1897/06-483r.1},
  url = {https://pubs.usgs.gov/publication/70029938},
  note = {Source identifier: 70029938}
}