Nama, Ala Hassan, and Zahraa Abdulhussain. “Riverbed Scour Due to Accumulation of Floating Debris on Al-Msharah Bridge Piers”. Nahrain University College of Engineering Journal, vol. 18, no. 1, Jan. 2015, pp. 16-25, https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/142.