1. Popular Mechanics, Aug. 1964, p 62–68
2. Backofen W.A., Avery D.H., Turner J.R. (1964) Superplasticity in Al-Zn Alloy. Trans. Am. Soc. Metals 57:980
3. T.G. Langdon, Towards Innovation in Superplasticity, S. Hori, M. Tokizane, and N. Furshino, Eds. Fundamental Aspects of Superplasticity, JSRS, Japan, 1991, p 3–12
4. I.I. Novikov, Superplasticity in Advanced Materials, T.G. Langdon, Ed. Fundamental Aspects of Superplasticity ICSAM, Moscow, 1994, p 3–11
5. Underwood E.E. (1962) A Review of Superplasticity and Related Phenomena, J. Met. 14:914