Radek N.,*, N., and J. Świderski. “Tribology Properties and Geometrical Surface Structure of Coatings on Basis of Copper before and on Laser Treatment”. Problems of Tribology, vol. 62, no. 4, July 2014, pp. 40-44, https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/286.