@misc{indiciae94deea083d6a,
  title = {The disinfection of sewage and sewage filter effluents, with a chapter on the putrescibility and stability of sewage effluents},
  author = {Earle Bernard Phelps},
  year = {1909},
  doi = {10.3133/wsp229},
  url = {https://pubs.usgs.gov/publication/wsp229},
  note = {Source identifier: wsp229}
}