1. B.A. Olsen, Die forming of sheet metal using discrete surfaces, M.S. thesis, Dept. of Mechanical Engineering Massachusetts Institute of Technology, 1980.
2. G.F. Eigen, Smoothing methods for discrete die forming, M.S. thesis, Dept. of Mechanical Engineering Massachusetts Institute of Technology, 1992.
3. Tools of change;Papazian;Mech. Eng.,2002
4. A finite element based die design algorithm for sheet-metal forming on reconfigurable;Socrate;ASME J. Eng. Mater. Technol.,2001
5. E.L. Angnostou, Optimized tooling design algorithm for sheet metal forming over reconfigurable compliant tooling, Ph.D. thesis, State University of New York at Stony Brook, 2002.