1. Ashley, H. and Landahl, M., Aerodynamics of Wings and Bodies, Addison-Wesley, 1965.
2. Savant, Jr., C. J., Basic Feedback Control System Design, McGraw-Hill, 1958.
3. Timoshenko, S. P., and Gere, J., Theory of Elastic Stability, McGraw-Hill, 1961.
4. Woodcock, D. L., ‘Structural Non-linearities’, Vol. I, Chapter 6, AGARD Manual on Aeroelasticity.
5. Housner, G. W. and Vreeland, T., Jr., The Analysis of Stress and Deformation, The MacMillan Co., 1966.