1. Analysis of stresses and strains near the end of a crack traversing a plate;Irwin;Trans. A.S.M.E., J. appl. Mech.,1967
2. Stress analysis Icrucks;Paris;A.S.T.M. Spec. Tech. Publ. No. 381,1965
3. Crack tip stress intensity factors for the tension of an eccentrically cracked strip;Isida;Lehigh University, Department of Mechanics Report,1965
4. Discussion to: Plane strain crack toughness testing;Feddersen;A.S.T.M. Spec. Tech. Publ. No. 410,1967