TY - Journal of Yangtze River Scientific Research Institute A1 - CAO Jing-jing, SHEN Hong-bin T1 - Method of Calculating Average Boundary Shear Stress in Trapezoidal Open Channels Y1 - 2016-12-20 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 51 EP - 54 VL - 33 IS - 12 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20150416 ER -