1. ASTM Standard A 380-88. American Society for Testing of Metals; 1988. p. 139.
2. ASTM Standard E 112-88. American Society for Testing of Metals; 1988. p. 893.
3. Failure analysis and prevention. In: Metals handbook, vol. 11. 9th ed. Metals Park (OH): American Society of Metals. p. 307.