1. L.J. Gibson, M.F. Ashby, Cellular Solids—Structure and Properties, second ed., Cambridge University Press, Cambridge, 1997.
2. J. Banhart, D. Weaire, Phys. Today (2002) 37–42.
3. F. Baumgärtner, H. Krushek, H.J. Schwalbe, K. Nijhof, in: J. Bahnhart, M.F. Ashby, N.A. Fleck (Eds.), Cellular Metals and Metal Foaming Technology, MIT-Verlag, Berlin, Germany, 2001, pp. 283–288.
4. Standard Practice for Acoustic Emission Examination of Fiberglass Reinforced Plastic Resin, ASTM E 1067-85, Tank/Vessels, 31 May, 1985.