1. Von Karman, Theodore (1940), The Engineer Grapples with Nonlinear Problems, Bulletin of the American Mathematical Society, Vol. 46.
2. Dowell, E.H., et al(1995), A Modern Course in Aeroelasticity, Kluwer.
3. Dowell, E.H., and Ilgamov, M.(1988), “Studies in Nonlinear Aeroelasticity,” Springer-Verlag.
4. Tang, D.M., and Dowell, E.H.(1993), Nonlinear Aeroelasticity in Rotorcraft, Mathematical and Computer Modeling, 8(3/4), pp 157–184.
5. Hodges, D.H., and Dowell, E.H.(1974), Nonlinear Equations of Motion for the Elastic Bending and Torsion of Twisted Nonuniform Rotor Blades, NASA TN D-7818.