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2. J. D. Achenbach, “Wave Propagation in Elastic Solids, North-Holland Publ. Co., Amsterdam, 1973, pp. 440.
3. Boundary Element Formulations in Fracture Mechanics
4. M. H. Aliabadi, “The Boundary Element Method, Vol. 2, Applications in Solids and Structures”, John Wiley, New York, 2002, pp. 598.
5. Numerical Fracture Mechanics