1. Classification for Systematic Component and Process Design for Forging Operations;Gokler,1981
2. Computer aided sequence design for hot upset forgings;Gokler,1982
3. Principles of forging design;Schey;Metal Treatment,1966
4. Technologicheskii Spravocknik po kovke i obemnoi Shampovke, Mashgiz;Storozhev,1959