Physicochemical or geochemical

• D’Alessandro, W., Bellomo, S., Bonfanti, P., Brusca, L., Longo, M., (2011), Salinity variations in the water resources fed by the Etnean volcanic aquifers (Sicily, Italy): natural vs. anthropogenic causes, Environmental Monitoring and Assessment, 173(1-4), 431-446, 10.1007/s10661-010-1397-4