1. Determination of forming limit strains in automotive stampings;Keeler;Sheet Metal Ind.,1965
2. Application of strain analysis to sheet metal forming problems in the press shop;Goodwin;Metallurgica,1968
3. Calculation of the forming limit diagram;Choi;Met. Trans. A,1989
4. Effects of strain path changes on the formability of sheet metals;Laukonis;Met. Trans. A,1978
5. Factors influencing the forming-limit curves of sheet steel;Hiam;Sheet Metal Ind.,1978