@misc{indiciae1b8604845dc2,
  title = {Formulation and use of practical models for river-quality assessment},
  author = {Walter G. Hines and D. A. Rickert and S. W. McKenzie and J. P. Bennett},
  year = {1975},
  doi = {10.3133/cir715b},
  url = {https://pubs.usgs.gov/publication/cir715B},
  note = {Source identifier: cir715B}
}