@misc{indiciae802c893fc3eb,
  title = {User's manual for WATEQ4F, with revised thermodynamic data base and text cases for calculating speciation of major, trace, and redox elements in natural waters},
  author = {J.W. Ball and D. Kirk Nordstrom},
  year = {1991},
  doi = {10.3133/ofr91183},
  url = {https://pubs.usgs.gov/publication/ofr91183},
  note = {Source identifier: ofr91183}
}