1. Stress Distribution in the Neighbourhood of a Crack in an Elastic Solid;Sneddon,1946
2. A Note on the Problem of the Penny-shaped Crack;Sneddon,1965
3. Extension of Griffith's Theory of Rupture to Three Dimensions;Sack;Phys. Soc. London,1946
4. Crack Problems in the Classical Theory of Elasticity;Sneddon,1969