Maoqi, Xu; Wei, Xu; Shougui, Luo - In: Natural Hazards 17 (1998) 1, pp. 69-76
Regarding the collapse of a special type of soil erosion in mountain areas. Studying its types, processes and stages can provide a scientific basis for prediction. Collapses can be classified into three types, natural, man-made and compound, and each type can be subdivided into four kinds,...