Spatial distribution and analysis of debris flow in Jishishan county of Gansu province
QIANG Dexia, MA Haizheng, ZHU Ziping, GOU Yanmei
Bulletin of Surveying and Mapping . 2022, (7): 107 -111,117 .  DOI: 10.13474/j.cnki.11-2246.2022.0212