Leaching, Physicochemical or geochemical

• Cicchella, D., De Vivo, B., Lima, A., (2005), Background and baseline concentration values of elements harmful to human health in the volcanic soils of the metropolitan and provincial areas of Napoli (Italy), Geochemistry-Exploration Environment Analysis, 5(1), 29-40, 10.1144/1467-7873/03-042

Physicochemical or geochemical

• Lima, A., Cicchella, D., Di Francia, S., (2003), Natural contribution of harmful elements in thermal groundwaters of Ischia Island (southern Italy), Environmental Geology, 43, 930-940, 10.1007/s00254-002-0715-8