TY - RPRT TI - BALANCE : A computer program for calculating mass transfer for geochemical reactions in ground water AU - David L. Parkhurst AU - Niel Plummer AU - Donald C. Thorstenson PY - 1982 DO - 10.3133/wri8214 UR - https://pubs.usgs.gov/publication/wri8214 ID - wri8214 ER -