1. American Society for Testing and Materials. E1921-97 standard test method for determining of reference temperature, T0, for ferritic steels in the transition range. Annual Book of ASTM Standards 1999;03.01:1060–76
2. Wallin K, Saario T, Törrönen K, Forstén J. A microstatistical model for carbide induced cleavage fracture. Technical Research Centre of Finland, Research Reports 220, Espoo 1983
3. Optimization of metallurgical variables in fracture prevention;Törrönen;Nucl Eng Design,1985
4. On the microstructural basis of cleavage fracture initiation in ferritic and bainitic steels;Saario;J Eng Mat Tech,1984
5. The scatter in KIC results;Wallin;Engng Fract Mech,1984