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2. ASTM E 813-81: Standard Test Method for JIc A measure of Fracture Toughness,1985
3. ASTM E 813-81: Standard Test Method for JIc A measure of Fracture Toughness,1985
4. J—R-curve characterisation of irradiated submerged are weld deposit;Loss,1979
5. EGF Recommendations for Determining the Fracture Resistance of Ductile Materials,1987