1. F. Hoffmann, O. Keßler, T. Luebben, P. Mayr: Heat Treatment of Metals, 29 (2004) 8, pp. 61-66.
2. O. Keßler, C. Prinz, T. Sackmann, L. Nowag, H. Surm, F. Frerichs, T. Luebben and H.W. Zoch: Materialwiss. Werkstofftech. 2006, vol. 37, pp.11-18, doi: 10.1002/mawe.200500975 .
3. Z. Wang, B. Gong: ASM Handbook of residual stress and deformation of steel, ASM International, USA, 2002, pp.141-49.
4. K.D. Thoben, T. Luebben, B. Clausen, C. Prinz, and A. Schulz: Proc. 4th Int. Conf. Quenching and Control of Distortion, Beijing, China, 20–23 May 2003, pp. 325–31, http://search.proquest.com/docview/27850729?accountid=14136 .
5. N.B. Khalifa: Report of the research IGF 309ZN, Dortmund, Germany, Jan. 2012.