1. The spring back of metals;Gardiner;Trans. ASME,1957
2. Mechanics of sheet-metal bending;Schroeder;Trans. ASME,1957
3. Approximate calculations for draw die forming and their application to aluminum alloy sheet;Duncan,1978
4. Springback in circular blanks;Johnson;Metallurgia,1980
5. On work hardening and springback in plane strain draw forming;Wenner;J. Appl. Metalworking,1983