1. Metallic corrosion inhibitors;Putilova,1960
2. C.E. Robinson, W.L. Sutherland, Composition for pickling metals bars, plates, sheets, etc., United States Patent 640491, 2 Jan. (1900).
3. C.E. Robinson, W.L. Sutherland, United States Patent 650095, 22 May (1900).
4. C.E. Laverty, A.F. Laverty, Pickling bath, United States Patent 856644, 11 June (1907).
5. The inhibitive power of certain pigments on the corrosion of iron and steel;Cushman;Proc. Am. Soc. Test. Mat.,1909