1. On the peen forming of metals;Johnson,1981
2. Ball forming solves contouring problems;Brandel;Metal Progr.,1971
3. On the surface integrity of mechanically and thermally worked metal plates;Mamalis,1987
4. Ball-drop plate bending: An experimental study of some of its process variables;Ghosh,1981
5. On the ball-drop forming of metals;Mamalis,1985