Du, Xin. “RESEARCH ON WEAR RESISTANCE OF CARBONIZED 45 STEEL BY ELECTRO-SPARK DEPOSITION TECHNOLOGY”. Bulletin of Sumy National Agrarian University. The series: Mechanization and Automation of Production Processes, no. 3 (49) (March 30, 2023): 11-18. Accessed December 18, 2024. https://snaubulletin.com.ua/index.php/mapp/article/view/771.