TY  - BOOK
AU  - Parkhurst,David L.
TI  - User's Guide To Phreeqc (version 2) - A Computer Program for Speciation, Batch-Reaction, One-Dimensional Transport, and Inverse Geochemical Calculations
PY  - 1999///
CY  - Denver
PB  - U.S. Department of the Interior - U.S. Geological Survey
ER  -