Zhang Shiqing, Bi Xiaogang, Liu Zhenguo. Discussion on the Controlling-measures of Debris Flows in the Mountain Areas of Bei jing?? ?? ?? ?? ?? ????[J]. Bulletin of Soiland Water Conservation, 1992, 11(3): 46-51.
Zhang Shiqing, Bi Xiaogang, Liu Zhenguo. Discussion on the Controlling-measures of Debris Flows in the Mountain Areas of Bei jing?? ?? ?? ?? ?? ????[J]. Bulletin of Soiland Water Conservation, 1992, 11(3): 46-51.DOI: