• Determination of modulus of elasticity, nanohardness and residual stresses in brush-plated gold and silver coatings on copper substrateLille, Harri; Kõo, Jakub; Rjabtšikov, Aleksander; Veinthal, Renno; Mikli, Valdek; Sergejev, FjodorMaterials science = Medžiagotyra2012 / p. 51-56 : ill https://www.researchgate.net/publication/266348938_Determination_of_Modulus_of_Elasticity_Nanohardness_and_Residual_Stresses_in_Brush-plated_Gold_and_Silver_Coatings_on_Copper_Substrate