Citation:
D-25. E. Doege, H.-J. Seidel, B. Griesbach, and J.-W. Yun, “Contactless on-line measurement of material flow for closed loop control of deep drawing,” Journal of Materials Processing Technology, Volumes 130–131, 2002, Pages 95-99, doi.org/10.1016/S0924-0136(02)00763-X.