1. Werkstoffkunde für Ingenieure;Roos,2005
2. Pusch G. Bruchmechanische Kennwerte von Gusseisenwerkstoffen, Nr. 4. konstruieren+giessen 33; 2008.
3. ISO 12135. International standard – metallic materials – unified method of test for the determination of quasistatic fracture toughness; 2002.
4. ASTM E 1820-11. Standard Test Method for Measurement of Fracture Toughness. West Conshocken (United States): American Society for Testing and Materials ASTM International.