1. Strength and Ductility;Gensamer;Transactions of the ASM,1946
2. Plastic Instability and Fracture in Sheet Stretched Over Rigid Punches;Keeler;Transactions of the ASM,1964
3. Goodwin, G.M., 1968, Application of Strain Analysis to Sheet Metal Forming in the Press Shop, SAE Paper No. 680093.
4. Formability of Metallic Materials. Plastic Anisotropy, Formability Testing, Forming Limits;Banabic,2000
5. Sheet Metal Forming Processes;Banabic,2010