1. Developments in Fracture Mechanics Test Methods Standardization;Kaufman;ASTM Spec. Tech. Publ. 632,1977
2. Mechanics of Crack Growth;Munz;ASTM Spec. Tech. Publ. 590,1976
3. Mechanics of Crack Growth;Lake;ASTM Spec. Tech. Publ. 590,1976
4. On fracture toughness and its size dependence for steels showing thickness delamination