1. Hancock, J.W. and Cowling, M.J.(1980). Role of state of stress in crack tip failure processes. Metal Science, Aug-Sep, 293–304.
2. Zhuang, Tao, (1984). On elastic-plastic fracture criterion, Ph.D. Dissertation, Solid State Science and Technology, Syracuse University, Syracuse, NY, USA.
3. Liu, H.W. and Zhuang, Tao,(1985). A dual-parameter fracture criterion, International Journal of Fracture, 27, R87-R91.
4. Zhuang, Tao, (1987) Dual-parameter elastic-plastic fracture criterion of metals and alloys in the plane strain case. Acta Mechanica Sinica, 3, No. 1, 73–81.
5. Liu, H.W. and Zhuang, Tao, (1984). Characteristic crack tip field and the characterizing parameter for elastic-plastic fracture mechanics, in Advances in Fracture Research, Proceedings of The 6th International Conference on Fracture, India, 777–790.