Szczygieł, B., Turkiewicz, A., & Serafińczuk, J. (2008). Surface morphology and structure of Ni–P, Ni–P–ZrO2, Ni–W–P, Ni–W–P–ZrO2 coatings deposited by electroless method. Surface and Coatings Technology, 202(9), 1904-1910. https://doi.org/10.1016/j.surfcoat.2007.08.016