GOST 9.306-1985 Unified system of corrosion and ageing protection. Metallic and non-metallic inorganic coatings. Symbols
ISO 1462:1973 Metallic coatings; Coatings other than those anodic to the basis metal; Accelerated corrosion tests; Method for the evaluation of the results
ISO 4540:1980 Metallic coatings; Coatings cathodic to the substrate; Rating of electroplated test specimens subjected to corrosion tests