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2. British Standards Institute Published Document PD 6493: 1991 Guidance on Methods for assessing the acceptability of flaws in fusion welded structures
3. British Standards Institution: Guide on methods for assessing the Acceptability of flaws in fusion welded structures. BS 7910: 1999 ISBN 0 580 33081 8
4. Constraint in the failure assessment diagram approach for fracture assessment;Ainsworth;ASME J. Pres. Ves. Tech.,1995
5. Evaluation of the elastic T-stress in surface cracked plates using the line-spring method;Wang;Int. J. Fract.,1992