1. M. P. Bendsøe, N. Kikuchi, “ Generating Optimal Topologies in Structural Design using a Homogenization Method”, Comp. Meth. Appl. Mech. Engrg., Vol. 71, No. 2, 1988, pp. 197–224
2. U. Kirsch, “ Optimal Topologies of Truss Structures”, Comp. Meth. Appl. Mech. Engrg., Vol. 72, No. 1, 1989b, pp. 15–28
3. U. Ringertz, “ On Topology Optimization of Trusses”, Engrg. Optimization., Vol. 9, No. 3, 1985, pp. 209–217
4. G. I. N Rozvany, M. Zhou, “ Applications of the COC Algorithm in Layout Optimization”, Proc. Int. Conf. Engrg. Optimization in Design Processes., Karlsruhe, 1990, Lecture Notes in Engrg. Springer Vetes (to appear)
5. W. Dorn, R. Gromory and M. Greenberg, “ Automatic Design of Optimal Structures”, J. de Mecanique, Vol. 3, No. 1, 1964, pp. 25–52.