1. Cold formed parts yield impressive cost benefits;The Engineering Committee Division II, Small Products Industrial Fasteners Institute;Manufacturing Eng.,1984
2. Money saving innovations in automatic forming;Drozda;Manufacturing Eng.,1983
3. Accurately forged parts by modern super-multistage parts former;Shojiro;Metalworking Eng. Marketing,1984
4. Computer-aided design of multistage forging operations for round parts;Badawy;J. Mech. Working Tech.,1985