1. Chen Yongzong, Jing Ke, Cai Qiangguo. Modern Erosion and Management. Beijing: Science Press, 1988.
2. Lal R. Soil erosion by wind and water: problems and proposals. In: R Lal Soil Erosion Research Methods. The Soil Erosion and Water Conservation Society. 1988.
3. Shi Nianhai. Loess Plateau and evolution of its agro-forest distribution area.Historical Geography, First Issue, 1981, 15–35.
4. Zhu Kezhen. Preliminary study of climate change in the last 5000 years of China.Science in China. 1973, (2).
5. Tang Keli, Cai Qing. Relationship between soil erosional process and eco-environmental evolution on the Loess Plateau. Collected Papers on Environmental Evolution and Law on Water and Silt Operation in Huanghe Drainage Basin. Beijing: Geologic Press, 1991.