TY - Journal of Yangtze River Scientific Research Institute A1 - LIU Hai-tao, WU Meng-meng, XIONG You-liang, DONG Liang, YI Du-liang-zi T1 - Influence of Casing Refraction Wave on Elastic Wave CT Inversion Result Y1 - 2018-04-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 104 EP - 108 VL - 35 IS - 4 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20161188 ER -