1. Zhong-yu Yang, editor, Light Metals Metallurgy (in Chinese) (Beijing: Metallurgical Press of Industry, 2006), pp. 179–180.
2. K. Billehaug, Aluminum, 54(2) (1980), pp. 642–718.
3. Ye-xiang Liu, Light Metals, 10(5) (2001), pp. 26–29.
4. S.K. Das, P.A. Foster, and G.J. Hildeman, U.S. patent 4,308,114 (7 May 1981).
5. L.G. Boxall and A.V. Cooke, Light Metals, 5(3) (1984), pp. 573–588.