@misc{indiciaef2c056f539d0,
  title = {Relationships between water quality and phosphorus concentrations for lakes of the Puget Sound region, Washington},
  author = {Robert J. Gilliom and Gilbert Carl Bortleson},
  year = {1983},
  doi = {10.3133/ofr83255},
  url = {https://pubs.usgs.gov/publication/ofr83255},
  note = {Source identifier: ofr83255}
}