1. Commissariatà l'Energie Atomique. A16: Guide for Defect Assessment and Leak Before Break Analysis, 4th ed. Saclay: CEA; 2002.
2. Nuclear electric procedure R5 Issue2,1999
3. British Standard. BS 7910: Guide on Methods for Assessing the Acceptability of Flaws in Metallic Structures, BSI; 1999.
4. ASTM STP 590;Landes,1976
5. ASTM STP 601;Nikbin,1976