1. Bendsøe, M.P.; Kikuchi, N. 1988: Generating optimal topologies in structural design using a homogenization method.Comp. Meth. Appl. Mech. Engrg. 171, 197–224
2. Bråmå, T. 1993: The structural optimization OPTSYS.Int. Ser. Num. Math. 110, 187–206. Basel: Birkhauser Verlag
3. Eriksson, M. 1992:Optimization studies on the Volvo 850 front floor. M.Sc. Thesis at School of Mechanical Engineering, Chalmers Institute of Technology, Gothenburg
4. Esping, B. 1984: The OASIS structural optimization system.Comp. & Struct. 23, 365–377
5. Esping, B.; Holm, D.; Romell, O. 1993: The OASIS-ALADDIN structural optimization system.Int. Ser. Num. Math. 110, 159–186. Basel: Birkhauser Verlag