TY - Journal of Shandong University(Engineering Science) A1 - LIU Bin, LI Shu-cai, ZHANG Qing-song, LI Shu-chen, XUE Yi-guo T1 - Study of the prediction of karstfractured groundwater in prediction and early warning system of tunnel geologic hazards Y1 - 2009-06-16 JF - Journal of Shandong University(Engineering Science) JO - Journal of Shandong University(Engineering Science) SP - 115 EP - 121 VL - 39 IS - 3 UR - http://gxbwk.njournal.sdu.edu.cn N1 - ER -