Kalahan О., Zadorozhna Х., Student М. and Veselivska Г. 2018. IMPROVEMENT OF WEAR RESISTANCE OF ALUMINUM ALLOY D16 BY DIFFERENT METHODS OF SURFACE HARDENING. Bulletin of Lviv National Environmental University. Series Agroengineering Research. 22 (Dec. 2018), 153–160. DOI:https://doi.org/10.31734/agroengineering2018.01.153.