1. Widjaja D., Herrmann A. S., Entwurf und Berechnung von Leichtbaustrukturen mit hybriden, räumlichen Netzwerken, DLR Interner Bericht, Braunschweig, Germany, 1993.
2. van Tooren, M. J. L., Sandwich Fuselage Design, Delft University Press, Delft, the Netherlands, 1998.
3. Wilmes H., Kolesnikov B., Fink A., “New Design Concepts for a CFRP Fuselage”, Workshop at German Aerospace Centre (DLR) on Final Project of Black Fuselage, Braunschweig, Germany, 2002.
4. Tan J. C., A Brief History of Sandwich Technology, URL: http://www.msm.cam.ac.uk/mmc/research/steelsheet/sandwichbase/briefhistory.htm, 2005.
5. Herrmann A. S., “Design and Manufacture of Monolithic Sandwich Structures with Cellular Cores”, Sandwich Construction 4, Vol. 2, pp 719–728, 1998.