1. Craggs, J.W. Fracture of Solids, Interscience, New York, 1963, p. 51.
2. Broberg, K.B.Arkiv för Fysik, 18,159 (1960).
3. Love, A.E.H. The Mathematical Theory of Elasticity, Cambridge University Press, 1927, p. 177.
4. Bilby, B.A. and Eshelby, J.D. A Treatise on Fracture, ed. H. Liebowitz, Wiley, New York, 1968.
5. Eshelby, J.D. Solid State Physics, 3, 79 (ed. Seitz and Turnbull, Academic Press, New York), 1956; also, Phil. Trans., A 244, 87 (1951).