1. 1Schmit, L.A. "Structural Design by Systematic Synthesis, Second Conference on Electronic Computation", ASCE, Pittsburg, 1960,Pa, pp.105-132.
2. Berke,L.andVenkayya,V.B."ReviewofOptimalityCriteriaApproachtoStructuralOptimization",ASMEWinterAnnualMeeting,New York, November 1974
3. Comparison of Optimality Criteria Algorithms for Minimum Weight Design of Structures
4. Design of optimum structures