References
- Lebedev , B F . 1987 . ‘Dependence of impact toughness of HAZ metal of welded joints of low alloy steels on specific energy in welding.’ . Avt Svarka , : 7 – 10 . (4)
- Akulov , A I . 1977 . ‘Technology and equipment for fusion welding.’ , Moscow : Publ Mashinostroenie .