1. B.-A. Behrens, P. Suchmann and A. Schott, Warm forging: New forming sequence for the manufacturing of long flat pieces, Production Engineering, Research and Development, Springer Verlag Berlin 2008 381–389.
2. E. Doege, Mehrfachwirkende Stempelwerkzeuge (DO 190/119-3), Report German Research Foundation (DFG) (2004).
3. K. Siegert and D. Ringhand, Flashless and precision forging of connecting rods from P/M aluminum alloys, Journal of Materials Processing Technology, 46 (1994) 157–167.
4. Y. Zhang, S. Jian, Y. Zha and D. Shan, Isothermal precision forging of complex -shape rotating disk of aluminum alloy based on processing map and digitized technology, Materials Science & Engineering A 2013 294–304.
5. M. Stonis, M. Luecke and R. Nickel, Forging of long flat pieces of aluminium with a precise mass distribution operation, TMS Annual Meeting and Exhibition: Aluminum Alloys: Fabrication, Characterization and Applications, New Orleans, USA, 9th-13th March 2008 61–66.