1. G. Petzow, G. Effenberg, Ternary Alloys: A Comprehensive Compendium of Evaluated Constitutional Data and Phase Diagrams, Vol. 7, VCH, Weinheim, p. 4.
2. M. Lefstad, O. Reiso, Metallurgical speed limitations during the extrusion of AlMgSi-alloys, in: Proceedings of the 6th International Symposium on Aluminum Extrusion Technology, Aluminum Association, Chicago, Vol. 1, pp. 1–21.
3. Extrusion modelling of 6061 alloy and composites;Herba;Mater. Sci. Technol.,1998
4. A.J. Bill Bryant, W. Bill Dixon, R.A.P. Fielding, G. Macey, Isothermal extrusion, Light Met. Age 57 (April 1999) 8–26.
5. T. Sheppard, Extrusion of Aluminium Alloys, Kluwer Academic Publishers, Dordrecht, 1999, p. 127