@misc{indiciae76c2b00dad53,
  title = {Evaluation of USEPA method 1622 for detection of Cryptosporidium oocysts in stream waters},
  author = {O. D. Simmons and M.D. Sobsey and F. W. Schaefer and D.S. Francy and Rebecca A. Nally and C.D. Heaney},
  year = {2001},
  doi = {10.1002/j.1551-8833.2001.tb09101.x},
  url = {https://pubs.usgs.gov/publication/70023874},
  note = {Source identifier: 70023874}
}