@misc{863,
  author = {G Medema},
  title = {Sedimentation of Free and AttachedCryptosporidium Oocysts and Giardia Cysts in Water},
  year = {1998},
  url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC106669/},
  language = {eng},
}