Брыков, М., А. Прокопченко, and В. Ефременко. “ Effect of Quenching and Isothermal Processing Conditions on the Structure and Wear Resistance of High-Carbon Low-Alloy Steel”. Problems of Tribology, vol. 81, no. 3, Nov. 2016, p. 51, https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/44.