@misc{indiciae42652fb84ee9,
  title = {The relation between human presence and occurrence of Giardia Cysts in streams in the Sierra Nevada, California},
  author = {Thomas J. Suk and Stephen K. Sorenson and Peter D. Dileanis},
  year = {1987},
  doi = {10.1080/02705060.1987.9665163},
  url = {https://pubs.usgs.gov/publication/70199769},
  note = {Source identifier: 70199769}
}