TY - Journal of Yangtze River Scientific Research Institute A1 - GAO Wei-dong, LIU Yong-jian T1 - Application of Extenics Model Based on Entropy Weight to the Classification of Expansive Soil's Swell-Shrink Grades Y1 - 2012-11-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 91 EP - 94 VL - 29 IS - 11 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2012.11.020 ER -