Investigation of isotopic signals in the unsaturated zone with the use of direct push technology and azaeotropic distillation. Acque Sotterranee - Italian Journal of Groundwater, [S. l.], v. 1, n. 2, 2012. DOI: 10.7343/as-008-12-0012. Disponível em: https://www.acquesotterranee.net/acque/article/view/008-12-0012. Acesso em: 24 may. 2025.