1. Tentative method of test for plane-strain fracture toughness of metallic materials,1970
2. Plastic zone near a crack and fracture toughness;Irwin,1960
3. Commentary on present practice. Review of developments in plane strain fracture toughness testing;Brown,1970
4. Plane strain crack toughness testing of high strength metallic materials;Brown,1966
5. G. Härkegård and S. G. Larsson, On the finite element analysis of elastic —plastic structures under plane strain conditions. To be published.