TY - Journal of Yangtze River Scientific Research Institute A1 - ZHU Xi-xi, CHEN Cong-xin, XIA Kai-zong T1 - Methods of Obtaining Mechanics Parameters of Rock Mass Based on Hoek-Brown Criterion Y1 - 2015-09-20 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 111 EP - 117 VL - 32 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20140215 ER -