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