1. I.N. Fridlyander, V.G. Sister, O.E. Grushko. V.V. Berstenev, L.M. Sheveleva, and L.A. Ivanova: Met. Sci. Heat Treat., 2002 (Sept), vol. 44, 9 - 10, pp. 365–370.
2. A. Kelkar, R. Roth, and J.P. Clark: J. Met., 2001, vol. 53 (8), pp. 28-32.
3. R. Wohlecker, M. Johannaber, and M. Espig: SAE 2007-01-0343, 2008.
4. A.I. Nussbaum, Light Met. Age, 1992, vol. 50, 9-10, pp.8-19.
5. Y. Birol, G. Zeybekoglu, G. Kara, O. Cakir, A.S. Akkurt, G. Yildizbayrak, and C. Romanowski: Proceedings of the TMS 2001 Annual Meeting Aluminum Automotive and Joining Symposia, The Minerals, Metals and Materials Society, Warrendale, 2001, p. 107.