In 2013, Perry de Louw defended his PhD dissertation on saline seepage:
Saline seepage in deltaic areas - Preferential groundwater discharge through boils and interactions between thin rainwater lenses and upward saline seepage
In 2013, Perry de Louw defended his PhD dissertation on saline seepage:
Saline seepage in deltaic areas - Preferential groundwater discharge through boils and interactions between thin rainwater lenses and upward saline seepage