6Jia Wen Xu.Effects of Gd addition on microstructure and shape memory effect of Cu–Zn–Al alloy[J].Journal of Alloys and Compounds.2006(1)
7A.K. Bhuniya,P.P. Chattopadhyay,S. Datta,M.K. Banerjee.Study on the effect of trace zirconium addition on the microstructural evolution in Cu–Zn–Al shape memory alloy[J].Materials Science & Engineering A.2004(1)
8D.Y Li,Rong Liu.The mechanism responsible for high wear resistance of Pseudo-elastic TiNi alloy—a novel tribo-material[J].Wear.1999