1. Stress, Stability and Chaos in Structural Engineering;Naschie,1990
2. Instabilities and Catastrophes in Science and Engineering;Thompson,1982
3. Nonlinear Dynamics and Chaos;Thompson,1986
4. Multiple Parameter Stability Theory and its Applications;Huseyin,1986
5. Stability, bifurcation and catastrophes in nonlinear systems;Naschie,1988