1. Levy, G., Schindel, R., Kruth, J.P., 2003. Rapid Manufacturing and Rapid Tooling with Layer Manufacturing (LM) Technologies, State of The Art and Future Perspectives; CIRP Annals Vol. 52/2/2003; p. 589-609.
2. Kruth, J.P., Levy G.N., Klocke F., Childs T.H., 2007. Consolidation Phenomena in Laser and Powderbed Based Layered Manufacturing CIRP Annals - Manufacturing Technology, Vol. 56/2/2007; p 730-759.
3. Over, C., 2003. Generative Fertigung von Bauteilen aus Werkzeugstahl X38CrMoV5-1 und TiAl6V4 mit “Selective Laser Melting”, Dissertation RWTH Aachen University, Shaker Verlag, Aachen 2003.
4. Böhler K340, cold work tool steel, Technical Information of Manufacturer Böhler, 01.2011.
5. Pierer, R, Schneider, R., Hiebler, H., 2002. The behaviour of two new tol steels regarding dimensionla change. Proc. of the 6th International Tooling Conference, Karlstad, Sweden 2002.