References
- Kurkin , S A . 1985 . Svar. Proiz. , : 9 – 11 . (6)
- 1983 . ‘Procedure instructions. Strength calculations and tests. Methods of mechanical testing of metals. Determination of cracking resistance characteristics (fracture toughness) in cyclic loading. RD50–345–82’ , Moscow : Publ Moscow Publishing House of Standards .