Märker, M., Moretti, S., & Rodolfi, G. (2001). Assessment of water erosion processes and dynamics in semi-arid regions of southern Africa (Kwazulu/Natal, RSA, and Swaziland) using the Erosion Response Units concept (ERU). Geografia Fisica E Dinamica Quaternaria, 24(1), 71-83. https://doi.org/10.4454/