Merkel, Broder J. Groundwater geochemistry : a practical guide to modeling of natural and contaminated aquatic systems / Broder J. Merkel, Britta Planer-Friedrich ; edited by Darrell Kirk Nordstrom - New York : Springer, 2005 - 200 p. : ill. ; 24 cm + 1 computer disc ISBN: 3540241957 Subjects--Topical Terms: Water chemistry--Mathematical models