1. K. Karhausen, A.L. Dons, and T. Aukrust: Mater. Sci. Forum, 1996, vol. 403, pp. 217–22.
2. T. Hauge and K.F. Karhausen: Alum. Extrus., 1998, vol. 3 (1), pp. 32–37.
3. X. Zhang, H. Zhu, A.K. Dahle, and M.J. Couper: Proc. 9th Int. Aluminum Extrusion Technology Seminar & Exposition, Orlando, FL, Aluminum Extrusion Council, Wauconda, IL, 2008, vol. 2, pp. 455–64.
4. P. Ratchev, R. Labie, B. Verlinden, and R.V.D. Broeck: Z. Metallkd., 2000, vol. 91, pp. 510–15.
5. Y. Wang, H. Kuo, and S. Kia: Proc. AESF SUR/FIN, American Electroplaters and Surface Finishers Society Inc., Orlando, FL, 2003, pp. 150–66.