1. T.Altan ‘Closed-die Forging of Round Shapes’ Metallurgia and Metal Forming, Mar, 1972
2. T.L.Subramnian T.L.Akgerman and T.Altan ‘Computer Application in the Design and Manufacturing of dies for Metal working’, SME Techanical Paper MF 74–180
3. S.K.Biswas and W.Knight ‘Computer-aided Design of Axisymmetric Hot Forging Dies’, Int.J.MTDR, 1974
4. S.W.Lui and M.K.Das ‘Interactive Design of Axisymmetric Forging Dies Using a Desk-top Computer’, Journal of Mechanical Working Technology, Vol.5, June, 1981
5. R.C.Jones ‘Drop Forging Die Design’, The Association of Engineering and Shipbuilding Draftman, Richmond, Surrey, 1965