1. H.D. Solomon, T.M. Devine, Jr., Proc. Conf. on Duplex Stainless Steels, American Society for Metals, Metals Park, OH, 1983, p. 693.
2. J. Charles, Proc. Conf. on Duplex Stainless Steels '91, Beaune Bourgogne, France, October 28–30, 1991, Les Editions de Physique, Les Ulis, 1991, Vol. 1, p. 3.
3. Super duplex stainless steels
4. J. Charles, Proc. 4th Int. Conf. on Duplex Stainless Steels, Glasgow, Scotland, November 13–16, 1994, TWI, Cambridge, 1994, Vol. 1, Paper KI.
5. σ-Phase Embrittlement in Some ferritic-austenitic stainless steels