1. Shunmugavel,P., “Optimization of Two-Dimensional Reinforced Concrete Building Frames”, Ph.D. Thesis, University of Illinois at Urbana, Champaign, 1974
2. Yang,M.F., “Optimization of Reinforced Concrete Structures”, Ph.D. Thesis, University of Illinois at Urbana-Champaign, 1982
3. Booz,W., Legewie,G. and Thierauf,G., “Optimization of Reinforced Concrete Structures According to German Design Regulations”, in proceedings of the International Conference on Computer Aided Analysis and Design of Concrete Structures“, 1984, Yugoslavia, pp. 761–773
4. Kanagasundaram,S. and Karihaloo,B.L. “Minimum Cost Design of Reinforced Concrete Structures”, Structural Optimization, Vol. 2, No. 3, 1990, pp. 173–184
5. Berke,L. and Khot,N.S., “Use of Optimality Criteria Methods For Large Scale Systems”, AGARD-LS-70, 1974.