1. Sih, G. C., Some basic problems in fracture mechanics and new concepts, Engineering Fracture Mechanics 5, 365–377 (1973).
2. Sih, G. C., Energy-density concept in fracture mechanics, Engineering Fracture Mechanics 5, 1037–1040 (1973).
3. Sih, G. C., Strain-energy-density factor applied to mixed mode crack problems, International Journal of Fracture 10, 305–321 (1974).
4. Sih, G. C., A special theory of crack propagation: methods of analysis and solutions of crack problems, in Mechanics of Fracture, Vol. 1 (ed. G. C. Sih), Noordhoff Int. Publ., The Netherlands, pp. XXI–XLV (1973).
5. Sih, G. C., A three-dimensional strain energy density factor theory of crack propagation, in Mechanics of Fracture, Vol. 2, (M. K. Kassir and G. C. Sih), Noordhoff Int. Publ., The Netherlands, pp. XV–LIII (1975).