%0 Journal Article %A Mosalman Yazdi, Alireza, Hosseini, Seyed Abbas, Nazari, Sohrab, Amanian, Nosratollah %T The Effect of Side Wall Angle on Downstream Scour of Trapezoidal Key Piano Weir %J Water Resources Engineering %V 15 %N 2 %P 97-114 %D 2022 %R 10.30495/wej.2021.26505.2277 %U https://sanad.iau.ir/fa/Article/1167607