1. Elastic-plastic fracture toughness based on the COD and J-contour integral concepts;Dawes;ASTM STP,1979
2. Methods for Crack Opening Displacement (COD) Testing,1979
3. Mechanics of crack tip deformation and extension by fatigue;Rice;ASTM STP,1967
4. The status of COD in fracture mechanics;Wells,1971
5. The relationship between crack tip opening displacement, local strain and specimen geometry;Robinson;Int. J. Fracture,1975