1. Determination of operational limits for the upsetting of tubes blanks;Dieterle;Industrie Anzeiger,1975
2. The Production of Hollow Flanged Components from Bar Stock by Upsetting and Extrusion;Hendry;National Engineering Laboratory NEL Report No. 628,1977
3. Variation of the transverse impact extrusion process;Osen;Wire,1985
4. Tvaerflydepresning af Roerflanger;Enghave,1991
5. Radial Extrusion of Tubular Components;Andersen,1991