1. Ni CM. A general purpose analytical technique for nonlinear dynamic response of integrated structures. SAE Paper No. 811304, 1981.
2. Ni CM, Impact response of curved box beam columns with large global and local deformations. Proceedings of the 14th Structures, Structural Dynamics, and Materials Conference, King of Prussia, PA, USA. AIAA Paper No. 73–401, 1976.
3. Ni CM, Fine DS. Predicting crash response of automotive structural components. SAE Paper No. 780671, 1978.
4. Ni CM. A numerical method for nonlinear impact analysis of planar frames. Proceedings of the First International Conference on Computational Methods in Nonlinear Mechanics, Austin, TX, USA. 1974.
5. Ni CM. A quadrilateral finite difference plate element for nonlinear transient analysis of panels. General Motors Research Laboratories, Warren, MI: Publication GMR-2921, 1979.