TY - Journal of Yangtze River Scientific Research Institute A1 - LIU Tian-jie, LIU Xin-fei T1 - Determining Specific Surface Area and Shape Index of RecycledAggregate: Calculation and Analysis Y1 - 2020-05-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 170 EP - 173 VL - 37 IS - 5 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20190103 ER -