Hetzner, H.; Koch, J.; Tremmel, S.; Wartack, S.; Merklein, M.:
Improved Sheet Bulk Metal Forming Processes by Local Adjustment of Tribological Properties.
In: K. Ehmann (Edt.): Journal of Manufacturing Science and Engineering, 133(2012)6, ASME, in print

Vierzigmann, H.; Koch, J.; Merklein, M.; Engel, U.:
Material Flow in Sheet-Bulk Metal Forming.
In: Key Engineering Materials , 504-506 (2012), Durnten-Zurich: Trans Tech Publications, pp. 1035-1040

Merklein, M.; Opel, S.; Schneider, T.; Koch, J.:
Überblick der Blechmassivumformung.
In: Umformtechnik, 1(2012)3, Bamberg: Meisenbach, pp. 42-43

Schaper, M.; Lizunkova, Y.; Vucetic, M.; Hetzner, H.; Schneider, T.; Plugge, B.; Koch, J.; Opel, S.:
Sheet-bulk metal forming a new process for the production of sheet metal parts with functional components.
In: Metallurgical and Mining Industry, 3(2011)7, pp. 53-58

Biermann, D.; Merklein, M.; Engel, U.; Tillmann, W. ; Surmann, T. ; Hense, R.; Herper, J. ; Koch, J.; Krebs, E. ; Vierzigmann, H.:
Umformwerkzeuge in der Blechmassivumformung.
In: Merklein, M.; Bach, Fr.-W.; Tekkaya, A. E. (Edt.): 1. Workshop Blechmassivumformung, (2011), Bamberg: Meisenbach, pp. 119-138

Merklein, M.; Tekkaya, A.E.; Brosius, A.; Opel, S.; Koch, J.:
Overview on sheet-bulk metal forming processes.
In: G. Hirt, A.E. Tekkaya (Edt.): Proceedings ICTP 2011, 10(2011), Aachen, pp. 1109-1114

Merklein, M.; Koch, J.; Opel, S.; Schneider, T.:
Fundamental investigations on the material flow at combined sheet and bulk metal forming processes.
In: Annals of the CIRP, 1(2011)60, Amsterdam: Elsevier, pp. 283-286

Merklein, M.; Koch, J.; Schneider, T.; Opel, S.; Vierzigmann, H.:
Manufacturing of Complex Functional Components with Variants by Using a new Metal Forming Process – Sheet-Bulk Metal Forming.
In: University of Brescia (Edt.): Proceedings of the 13th ESAFORM Conference, (2010), Brescia, published

Merklein, M.; Koch, J.; Schneider, T.; Opel, S.; Vierzigmann, H.:
Manufacturing of Complex Functional Components with Variants by Using a new Metal Forming Process – Sheet-Bulk Metal Forming.
In: University of Brescia (Edt.): International Journal of Material Forming, 3 (2010), Paris: Springer, pp. 347-350

Koch, J.; Völkl, R.; Engel, U.:
Effective Stochastic Simulation for the Optimization of Time, Costs and Quality in Cold Forging.
In: Int. J. Mater. Forming, (2008)1, Paris: Springer, pp. 9-12

Koch, J.; Völkl, R.; Engel, U.:
FE-analysis based optimization of time, costs and quality with the consideration of stochastic process characteristics.
In: AKADEMIA GóRNICZO-HUTNICZA (Edt.): Proceedings of the 12th International Conference Metal Forming, 2(2008), pp. 633-641