Wenqiang, Luo, Zhang Zhuoyuan, and Huang Runqiu. 2000. “Application of Morishita Spread Index to Temporal and Spatial Distribution Characteristics of Landslides in Shanxi and Gansu Provinces of China”. Journal of Nepal Geological Society 21 (July):1–4. https://doi.org/10.3126/jngs.v21i0.32144.