Дворук, В., К. Борак, and С. Добранський. “EFFECT OF DOPING CHROMIUM STRUCTURAL STEEL AT ITS ABRASIVE WEAR RESISTANCE AFTER HEAT TREATMENT”. Problems of Tribology, vol. 72, no. 2, May 2014, pp. 24-28, https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/107.