TY - Journal of Yangtze River Scientific Research Institute A1 - LIU Sheng, XU Yuan-jie, LI Hai-teng, REN Ling T1 - Experimental Study on Natural Limestone Particles inContact Damage and Fractal Characteristics Y1 - 2018-09-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 139 EP - 142 VL - 35 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20170138 ER -