1. M. Ahmetoglu, T. Altan, Deep drawing of round cups using variable blank holder force (BHF), Report No. ERC/NSM-S-92-50, Engineering Research Center for Net Shape Manufacturing, Ohio State University, 1992.
2. A review of recent advances in the application of blank holder force towards improving the forming limits of sheet metal parts;Obermeyer;Journal of Materials Processing Technology,1998
3. Closed-loop control system for blank holder forces in deep drawing;Siegert;Annals of the CIRP,1995
4. W. Thomas, Product tool and process design methodology for deep drawing and stamping of sheet metal parts, Ph.D. Dissertation, Ohio State University, 1999.
5. Deep Drawing;Siebel,1955