1. J.M. ALEXANDER and M.A. CHAABAN (1975) “The mechanics of swing forging”, Proc. 16th MTDR Conference, Macnillan, p. 403–413.
2. G.S. MICAN (Feb. 1949) “Deformation in rolling”, Iron and Steel Eng., p. 53–67.
3. P.M. COOK (1953) “Forging research, use of plasticine models”, Metal Treatment and Drop Forging, 20, p. 541–548.
4. J. MOWAT, “Some experiments on the flow of metal during forging, using plasticine models”, BISRA Report no. MW/F/31/51.
5. J.G. WISTREICH and A. SHUTT (1959), “Theoretical analysis of bloom and billet forging”, J.I.S.I., 193, p. 163–176.