1. Gradient Materials: an overview of a novel concept;Neubrand;Zeitschrift für Metallkunde,1997
2. Bautaile mit konträren Eigenschaften aus Gradientenwerkstoffen herstellbar;Kieback;Maschinenmarkt,1999
3. Simulation of the deformation of graded materials;Raβach;Advanced Engineering Materials,2000
4. S. Szczepanik, S. Raβbach, Hot forming of aluminium based gradient material, in: Proceedings of the ESAFORM 5th International Conference on Material Forming, Kraków, April 14–17, 2002, pp. 335–338.
5. Gradient materials on aluminium alloy basis obtained from powders by hot forming;Szczepanik;Inżynieria materiałowa,2007