Tazioli, A., Aquilanti, L., Clementi, F., Marcellini, M., Nanni, T., Palpacelli, S. and Vivalda, P.M. 2016. Hydraulic contacts identification in the aquifers of limestone ridges: tracer tests in the Montelago pilot area (Central Apennines). Acque Sotterranee - Italian Journal of Groundwater. 5, 2 (Aug. 2016). DOI:https://doi.org/10.7343/as-2016-209.