1. Nielsen KB (2002) Shimming—an experimental and numerical approach to include tool shimming. In NumiSheet 2002, The 5th International Conference and Workshop on Numerical Simulation of 3-D Sheet Forming Processes., pages 267–272, Jaeju, Korea, October 2002
2. Endelt B, Nielsen KB, Danckert J (2006) Closed loop control of deep drawing operation using distributed blank-holder force. In EsaForm 2006. University of Strathclyde, Glasgow, UK, April 2006
3. Endelt B, Nielsen KB, Danckert J (2006) New framework for on-line feedback control of a deep-drawing operation. Journal of Materials Processing Tech 177(1–3):426–429 ISSN 09240136
4. Endelt B, Danckert J (2008) Optimal draw-in and feedback control using distributed blank-holder force. In Numisheet 2008, pages 877–882. Institute of Virtual Manufacturing, ETH Zurich, September 2008. ISBN:978-3-909386-80-2
5. Endelt B. Least Square Optimization Techniques Applied on Sheet Metal Forming. PhD thesis, Department of Production, Aalborg University, Denmark, may 2003. ISBN:87-91200-18-0.