1. Structural Stability and Morphogenesis;Thom,1975
2. Catastrophe Theory: Selected Papers;Zeeman,1977
3. Catastrophe Theory and its Applications;Poston,1978
4. Random Differential Equations in Science and Engineering;Soong,1973
5. Stochastic Catastrophe Models and Multimodal Distributions;Cobb;Behav. Sci.,1978