1. Duplex Stainless Steels;Gunn,1997
2. G. Wahlberg, G.L. Dunlop, Proceedings Stainless Steel '87, The Institute of Metals, 1988, p. 291.
3. J. Foct, T. Magnin, P. Perrot, J.-B. Vogt, in: J. Charles, S. Bernhardsson (Eds.), Duplex Stainless Steels '91, Beaune, 1991, p. 49.