@misc{indiciae893fa5057a35,
  title = {Caffeine and pharmaceuticals as indicators of waste water contamination in wells},
  author = {R. L. Seiler and S.D. Zaugg and J. M. Thomas and D.L. Howcroft},
  year = {2005},
  doi = {10.1111/j.1745-6584.1999.tb01118.x},
  url = {https://pubs.usgs.gov/publication/70021656},
  note = {Source identifier: 70021656}
}