1. SchmitL. A.ThorntonW. A. “Synthesis of an Airfoil at Supersonic Mach Number,” NASA CR-144, Jan. 1965.
2. Structural synthesis - Its genesis and development
3. SchmitL. A.Jr. “Structural Synthesis: Precursor and Catalyst, Recent Experiences in Multidisciplinary Analysis and Optimization,” NASA CP-2337, 1984.
4. HaftkaR. T. “Automated Procedure for Design of Wing Structures to Satisfy Strength and Flutter Requirements,” NASA Langley Research Center TN-D-7264, Hampton, VA, 1973.
5. Comparison of Two Types of Structural Optimization Procedures for Flutter Requirements