TY - Journal of Yangtze River Scientific Research Institute A1 - HU Jin-shan,MING Yong-zhong,LIU Yong-bo,CAO Jian-ping,MA De-lin T1 - Classification of Hazard Level for Potentially Hazardous Rock Mass inSurrounding Slope of Hydroelectric Projects Y1 - 2016-01-20 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 72 EP - 76 VL - 33 IS - 1 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20140683 ER -