Siu-Leung李兆良. “Huang He Gai Dao Yu Ditu Duandai:Zhongguo Dituxue Xichuan Bianzheng 黄河改道与地图断代：中国地图学西传辩证 [The Course of Yellow River and Map Dating].” 测绘科学 42, 4 (2017a):...

July 2020. Retrieved 21 July 2020. Li Gui (李桂) (1 July 2020). 冕宁特大暴雨中的大堡子村：河流改道，山石砸毁民房. Beijing News (in Chinese). Archived from the original on 1 July 2020...