1. API RP 2Z. 1987. “‘Recommended practice for preproduction qualification for steel plates for offshore structures’”.
2. Petrovski, B, Koçak, M and Sedmak, S. 1991. ‘Fracture behaviour of undermatched welded joints with short surface cracking’. Proc 10th int conf OMAE. 1991, Stavanger. Vol. 3A, pp.101–107.
3. Koçak, M, Schwalbe, K‐H, Chen, L and Gnirss, G. 1988. ‘Effects of notch position and weld metal matching on CTOD of HAZ’. Proc conf ‘Weld failures’. 1988, London.