1. J.S. Smith and D.H. Boone, Platinum modified aluminides—present status, ASME Paper 90-GT-319.
2. High integrity CoCrA1(Y) coated nickel-base superalloy;Rairden;U.S. Patent 4,101,715,1978
3. Coating system for superalloys;Walker;U.S. Patent 4,080,486,1978
4. N.R. Lindblad, W.F. Schilling, H.J. Aeschbacher and W.H. Knoll, Gas turbine bucket corrosion protection developments ASME Paper 79-GT-47.