1. A statistical theory of strength of materials;Weibull;R Swed Inst Engng Res,1939
2. Bolotin VV. Statistical methods in structural mechanics. M.: Stroyizdat; 1961 (in Russian).
3. The scatter in KIC result;Wallin;Engng Fract Mech,1984
4. The size effect in KIC results;Wallin;Engng Fract Mech,1985
5. ASTM E 1921-97. ‘Test method for determination of reference temperature, T0, for ferritic steels in the transition range’ In: annual book of ASTM standards.