%0 Journal Article %T LABORATORIAL INVESTIGATING OF THE SCOURING EXTENSION IN THE RANGE OF TRAPEZOIDAL AND RECTANGULAR MULTIPLE VANES TO DIRECT THE FLOW IN THE RIVERS BENDS %A Keramat Zade, Mohsen %A Mahmood Shafai, Bajestan %A Esmaili, Kazem %J Ecology, Environment and Conservation %@ 0971-765X %D 2014