Abbass, Muna K. 2007. “Effect of Rare Earth Oxides (Y2O3, Nd2O3) on Oxidation Kinetics of Al-Li Base Alloy”. Nahrain University College of Engineering Journal 10 (1): 37-52. https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/485.