1. Nonlinear Oscillations, Dynamical Systems, and Bifurcations of Vector Fields, volume 42;Guckenheimer,2013
2. Elements of Structural Stability;Croll,1972
3. A General Theory of Elastic Stability;Thompson,1973
4. Coupled modes of elastic buckling;Chilver;J. Mech. Phys. Solids,1967
5. Erosion of optimum designs by compound branching phenomena;Thompson;J. Mech. Phys. Solids,1973