1. Bearing pressure and cracks;Westergaard;Trans. ASME, J. appl. Mech.,1939
2. Analysis of stressesandstrains near the end of a crack traversing a plate;Irwin;Trans ASME J. appl. Mech,1957
3. Yielding of steel sheets containing slits;Dugdale;J. Mech. Phys. Solids,1960
4. The formulation of equilibrium cracks during brittle fracture, general ideas and hypotheses, axially-symmetric cracks;Barenblatt;PMM,1959
5. Crack propagation and the fracture of concrete;Kaplan;Am. Concr. Inst. J.,1961