1. Na2SO4-induced accelerated oxidation (hot corrosion) of nickel
2. Sykes, C. & Shirley, H T. Symp. on High Temperature Steels. Special Report No. 43, 1951, pp. 153–169 (London: The Iron and Steel Institute).
3. Dean, A. V. 'Investigation into the Resistance of Various Nickel and Cobalt Base Alloys to Sea Salt Corrosion at Elevated Temperatures', NGTE Report, January 1964