1. 1. M.F. Ashby: The mechanical properties of cellular solids: Met. Trans. A, 14, 1755–1769 (1983)
2. 2. H.W. Seelinger: Application Strategies for aluminium-foam-sandvich parts, in Metal Foams and Porous Metal Structure, ed. by J. Banhart, M.F. Ashby, N.A. Fleck. (MIT-Verlag, Bremen) pp. 29–36 (1999)
3. 3. Fuganti, L. Lorenzi, A.G. Hanssen, M. Langseth: Aluminium foam for automotive applications, Adv. Eng. Mater., 2 N4, 200–204 (2000)
4. 4. T. Miyoshi, M. Itoh, S. Akiyama, A. Kitahara: Porous and Cellular Materials for Structural Applications, MRS Symposium Proceeding, San Francisco, USA, ed. by D.S. Schwartz, pp. 133–137 (1998)
5. 5. J. Baumeister: German Patent 40, 18 360 (1990)