The effect of aluminium content on morphology, size, volume fraction, and number of graphite nodules in ductile cast iron. - Shayesteh-Zeraati, A.; Naser-Zoshki, H.; Kiani-Rashid, A. R.; Yousef-Sani, M. R. (Proceedings of the Institution of Mechanical Engineer, Part L: Journal of Materials: Design & Applications (Professional Engineering Publishing), 2010)