1BS 7448: Part 1:1991, Fracture Mechanics Toughness Test. Part 1. Method for Determination of KIC, Critical CTOD and Critical J Values of Metallic Materials[S].
2BS 7448: Part 2:1997, Fracture Mechanics Toughness Test. Part 2. Method for Determination of KIC, Critical CTOD and Critical J Values of Welds in Metallic Materials[S].
