Rollins, P., V. Kofoed, e G. Athayde. “MAPPING COMPLEX GROUNDWATER FLOW PATHS: UNDERSTANDING PREFERENTIAL FLOW PATHS IN AQUIFER MATERIALS WITH DIFFERING POROSITIES”. Águas Subterrâneas, janeiro de 2011, https://aguassubterraneas.abas.org/asubterraneas/article/view/28104.