Kaleicheva, Julieta, Zdravka Karaguiozova, and Valentin Mishev. 2019. “TRIBOLOGICAL PROPERTIES AND MICROSTRUCTURE OF ELECTROLESS NICKEL COATINGS REINFORCED WITH NANOPARTICLES”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June): 88-91. https://doi.org/10.17770/etr2019vol3.4182.