Mannschatz, Theresa, Karl-Heinz Feger, e Peter Dietrich. “Combination of Geophysical and Soil Mapping Methods Related to Reforestations in Semi-Arid Regions”. Águas Subterrâneas (janeiro 20, 2011). Acessado janeiro 30, 2023. https://aguassubterraneas.abas.org/asubterraneas/article/view/28114.