1. Computerizing of traditional sheet metal forming;Nakajima;J. Jpn. Soc. Technol. Plasticity,1979
2. Study of flexible forming by hammering;Hasebe;J. Jpn. Soc. Technol. Plasticity,1994
3. Incremental backward bulge forming of a sheet metal with a hemispherical head tool;Matsubara;J. Jpn. Soc. Technol. Plasticity,1994
4. A CNC incremental sheet metal forming method for producing the shell components having sharp corners;Kitazawa;J. Jpn. Soc. Technol. Plasticity,1994
5. Flexible and incremental sheet metal bulging using a path-controlled spherical rollers;Iseki;Trans. Jpn. Soc. Mech. Eng. C,1992