@misc{indiciaef107fa3ca6e9,
  title = {Cyst acquisition rate for Giardia lamblia in backcountry travelers to Desolation Wilderness, Lake Tahoe},
  author = {S.C. Zell and S. K. Sorenson},
  year = {1993},
  doi = {10.1580/0953-9859-4.2.147},
  url = {https://pubs.usgs.gov/publication/70111405},
  note = {Source identifier: 70111405}
}