1. Mitchell, A.G.M, (1904), The limits of economy in frame structures, Philo. Mag. Sect., 6(8), 589–597.
2. Kirsch, U. (1989), Optimal topologies for structures, Applied Mechanical Review, 42(8), 223–239
3. Bendsoe, M.P. and Kikuchi, N. (1988), Generating optimal topologies in structural design using a homogenization method., Computer Methods in Applied Mechanics and Engineering., 71(2), 197–224
4. Suzuki, K., and Kikuchi, N. (1991) A homogenization method for shape and topology optimization, Computer Methods in Applied Mechanics and Engineering., Vol. 93, 291–318.
5. Zhou, M. and Rozvany, G.I.N. (1992/1993) “DCOC: An Optimality Criteria Method for Large Systems. Part I: Theory, Part II: Algorithm, Structural Optimization, 5, 12–25;6,250-262.