@inbook{inbooke91a6989,
title   = {Geochemical modeling of water chemistry evolution in the Guarani Aquifer System in São Paulo, Brazil},
author = {Sracek, Ondra and Hirata, Ricardo},
year = {2012},
publisher = {CRC Press/Balkema},
journal   = {Geochemical modeling of groundwater, vadose, and geothermal systems}
}