@misc{indiciae2044ce5dc69c,
  title = {User's guide to PHREEQC (Version 2): A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculations},
  author = {David L. Parkhurst and C.A.J. Appelo},
  year = {1999},
  doi = {10.3133/wri994259},
  url = {https://pubs.usgs.gov/publication/wri994259},
  note = {Source identifier: wri994259}
}