1. “Formänderungsfestigkeit von Kupfer und Kupferlegierungen beim Strangpressen”;Beiss;Metall,1977
2. Bridgewater M. Maddock B., Treadwell C., 1990, “Manufacture of Extruded Profiles by the Conform Process”, Proceedings of the Copper '90 Conference, Västerås, Sweden, 229-237.
3. Continuous Extrusion of Wire Sections;Green;J. Inst. Metals,1972
4. “Conform Extrusion. Current Method and Capabilities”;Hawkes;Wire Industry,1991
5. “Application of the 2D Finite Element Method to Simulation of Various Forming Processes”;Knoerr;J. Mat. Proc. Tech.,1992