@misc{indiciae9031366dd4a6,
  title = {Escherichia coli and fecal-coliform bacteria as indicators of recreational water quality},
  author = {D.S. Francy and Donna N. Myers and K.D. Metzker},
  year = {1993},
  doi = {10.3133/wri934083},
  url = {https://pubs.usgs.gov/publication/wri934083},
  note = {Source identifier: wri934083}
}