Balzerek H, Fricke W, Heinrich J, Moldenhauer KM. Man-made flood disaster in the Savanna town of Gombe / NE Nigeria. The natural hazard of gully erosion caused by urbanization dynamics and their peri-urban footprints. ERDKUNDE [Internet]. 2003 Jun. 30 [cited 2025 Apr. 30];57(2):94-109. Available from: https://www.erdkunde.uni-bonn.de/article/view/2502