1. Determination of forming limits in automotive stampings;Keeler;Sheet Met. Ind.,1965
2. Application of strain analysis to sheet metal forming problems in the press shop;Goodwin;Metall. Italiana,1968
3. Simple technique for determining forming limit curves;Hecker;Sheet Met. Ind.,1975
4. An experimental study of the in-plane stretching of sheet metal;Tadros;Int. J. Mech. Sci.,1978
5. Determination of forming limit curves by means of Marciniak punch;Gronostajski;Memoires Sci. Rev. Metall.,1980