1. Handbook of Metal Forming;Lange,1985
2. Society of Manufacturing Engineers, D.B. Dallas and American Society of Tool and Manufacturing Engineers, Tool and Manufacturing Engineers Handbook: A Reference Work for Manufacturing Engineers, McGraw-Hill, New York, 1976.
3. Principles and Methods of Sheet-Metal Fabricating;Sachs,1951
4. An experimental study on the examination of springback of sheet metals with several thicknesses and properties in bending dies;Tekiner;J. Mater. Process. Technol.,2004
5. Manufacturing Processes for Engineering Materials;Kalpakjian,1991