TY - Journal of Yangtze River Scientific Research Institute A1 - DONG Long-jun, ZHANG Ling-yun T1 - Error Analysis of b-value of Acoustic Emission for Rock Fracture Y1 - 2020-08-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 75 EP - 81 VL - 37 IS - 8 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20190430 ER -