1. D.B. Goel, P. Furrer, and H. Warlimont: Aluminium, 1974, vol. 50, pp. 511–16.
2. D.B. Goel, P. Furrer, and H. Warlimont: Alluminium, 1974, vol. 50, pp. 641–46.
3. E. Nes and J.D. Embury: Z. Metallkd., 1975, vol. 66, pp. 589–93.
4. C. Diallo, M. Mondino, and W. Benoit: J. Phys., 1981, vol. 42, pp. C5-957–C5-961.
5. S. Kiss, F.J. Kedves, and I.Z. Harangozo: J. Phys., 1981, vol. 42, pp. C5-963–C5-968.