1. Circular Grid System—a Valuable Aid for Evaluating Sheet Metal Formability;Keeler,1968
2. Application of Strain Analysis to Sheet Metal Forming Problems in the Press Shop;Goodwin,1968
3. Metallic Materials—Sheet and Strip—Determination of Forming Limit Curves. Part 2: Determination of Forming Limit Curves in the Laboratory;ISO 12004-2,2008
4. Testing formability in the hot stamping of HSS;Bariani;CIRP Ann.,2008
5. Limit strains in the processes of stretch-forming sheet metal;Marciniak;Int. J. Mech. Sci.,1967