E. T. Wessel,Symposium on User`s Experience with Elastic-Plastic Fracture Toughness Test Methods.Symposium on User `s Experience with Elastic-Plastic Fracture toughness Test Methods (1983 : Louisville, KY)：elastic-plastic fracture test methods : the user`s experience.ASTM,1985.
Symposium on User `s Experience with Elastic-Plastic Fracture toughness Test Methods (1983 : Louisville, KY)：elastic-plastic fracture test methods : the user`s experience
E. T. Wessel,Symposium on User`s Experience with Elastic-Plastic Fracture Toughness Test Methods.ASTM,1985.
