1.Kuenzi, E. W., Minimum Weight Structural Sandwich, USDA Forest Service Research Note FPL-086, Forest Products Laboratory, Madison, USA (1965).
2.Gibson, L. J., “Optimization of Stiffness in Sandwich Beams with Rigid Foam Cores,” Materials Science and Engineering, 67, pp. 125–135 (1984).
3.Demsetz, L. A. and Gibson, L. J., “Minimum Weight Design for Stiffness in Sandwich Plates with Rigid Foam Cores,” Materials Science and Engineering, 85, pp. 33–42 (1987).
4.Theulen, J. C. M. and Peijs, A. A. J. M., “Tech. Note: Optimization of The Bending Stiffness and Strength of Composite Sandwich Panels,” Composite Structures, 17, pp. 87–92 (1991).
5.Vinson, J. R., The Behavior of Sandwich Structures of Isotropic and Composite Materials, 1st Edition, Technomic Pub. Co., Lancaster, Pa., USA, pp. 271–303 (1999).
6.Ashby, M. F., et al., Metal Foams: A Design Guide, 1st Edition, Butterworth-Heinemann, Woburn, MA, USA, pp. 113–149(2000).
7.Triantafillou, T. C. and Gibson, L. J., “Failure Mode Maps for Foam Core Sandwich Beams,” Materials Science and Engineering, 95, pp. 37–53 (1987).
8.Petras, A. and Sutcliffe, M. P. F., “Failure Mode Maps for Honeycomb Sandwich Panels,” Composite Structures, 44, pp. 237–252 (1999).
9.Alspaugh, D. W. and Huang, S. N., “Minimum Weight Design of Axisymmetric Sandwich Plates,” AIAA J., 18, pp. 1683–1689 (1976).
10.Ringertz, U., et al., “Computer Sizing of Sandwich Constructions,” Composite Structures, 5, pp. 251–279 (1986).
11.Ermolaeva, , et al., “Materials Selection for An Automotive Structure by Integrating Structural Optimization with Environmental Impact Assessment,” Materials and Design, 25, pp. 689–698 (2004).
12.Zenkert, D., The Handbook of Sandwich Construction, 1st Edition, EMAS, Cradley Heath, UK, pp. 129–146 (1997).
13. UltraLight Steel Auto Body Engineering Report: Testing and Results, PORSCHE Engineering Services, Inc. (1995).
14.Hu, S. Y. and Cheng, J. H., “Development of an Object-oriented Optimization Software for Industrial Utilization,” Proceedings of the 4th Conference of OPTDES, Japan (2004).
15.Hu, S. Y. and Cheng, J. H., “Development of the Unlocking Mechanisms for the Complex Method,” Computers and Structures, pp. 1991–2002 (2005).
16.Allen, H. G., Analysis and Design of Structural Sandwich Panels, 1st Edition, Pergamon Press, Oxford, UK (1969).
17.Divinycell® Hgrade, DIAB Co., Laholm, Sweden.
18.Niu, M. C.-Y., Composite Airframe Structures: Practical Design Information and Data, 1st Edition, Technical Book Company, Los Angeles, pp. 41–111 (1992).
19.Lock, R. H., “1993 New Car Data,” Journal of Statistics Education, 1 (1993).
20.Roark, R. J. and Young, W. C., Formulas for Stress and Strain, 5th Edition, McGraw-Hill, New York, pp. 89–208 (1975).
21.Wang, A. J. and McDowell, D. L., “Optimization of a Metal Honeycomb Sandwich Beam-Bar Subjected to Torsion and Bending,” International Journal of Solids and Structures, 40, pp. 2085–2099 (2003).
22.Cheng, S., “Elasticity Solution of Torsion of Sandwich Plates,” Journal of the Engineering Mechanics Division, 94(EM2), pp. 605–620 (1968).
23.Megson, T. H. G., Aircraft Structures for Engineering Students, Edward Arnold, London, UK (1972).