Parsmehr, Marjan, and Behzad Ghorbani. “Evaluation the Effect of Attack Angle of Submerged Vanes on Reducing Scour Caused by Contraction Strand (Case Study: Contraction to 30 Cm)”. Agricultural Advances 3, no. 6 (June 27, 2014): 194-201. Accessed July 3, 2024. http://sjournals.com/index.php/aa/article/view/707.