G. Sappa, M. Barbieri, F. Andrei (2020) - Natural Hazards Coming from Trace Elements Natural Enrichment: The Bevera Valley Basin (Northern Italy) Case History. In: Advances in Natural Hazards and Hydrological Risks: Meeting the Challenge (pp. 33-36). Advances in Science, Technology & Innovation (IEREK Interdisciplinary Series for Sustainable Development). Springer, Cham, https://doi.org/10.1007/978-3-030-34397-2_7
G. Sappa, S. Iacurto, F. Ferranti, F.M. De Filippi (2019) - Groundwater Quality Assessment in a Karst Coastal Region of the West Aurunci Mountains (Central Italy). Geofluids, Volume 2019, Article ID 3261713, 14 pages.
A. Nigro, G. Sappa, M. Barbieri (2018) - Boron isotopes in groundwater: Evidence from contamination and interaction with terrigenous–evaporitic sequence, east-central Italy. Geochemistry: Exploration, Environment, Analysis, 18(4), pp. 343-350, ISSN:14677873, doi: 10.1144/geochem2017-065.
M. Barbieri, G. Sappa, A. Nigro (2018) - Soil pollution: Anthropogenic versus geogenic contributions over large areas of the Lazio region. Journal of Geochemical Exploration, 195, pp. 78-86. ISSN:03756742, doi: 10.1016/j.gexplo.2017.11.014.
