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2. C. Sykes and H. T. Shirley,Iron Steel Inst. Spec. Rep. 43, 153 (1951).
3. J. Stringer,Hot Corrosion in Gas Turbines, Materials and Ceramics Information Centre Report MCIC-72-08 (June 1972).
4. R. Viswanathan,Corrosion 24, 359 (1968).
5. D, W. McKee and G. Romeo, private communication.