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2. The significance of scrap in western economies;Bever;Lecture to the Univ. of Nottingham,1976
3. Improvements in or relating to extrusion;Green,1971
4. The continuous extrusion forming of wire sections;Green;J. Inst. Metals,1972
5. Conform — A new concept for the continuous extrusion of metals;Etherington;ASME 73-WA/PT-2,1973