Iliev, Iliyan Velichkov. “Research on the Influence of the Five-Axis Ball-Burnishing Process Regime Parameters on the Resulted Cells Properties from Regularly Shaped Roughness”. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA 3, no. 1 (June 30, 2019): 40–53. Accessed October 2, 2025. https://aj.tu-varna.bg/index.php/ajtuv/article/view/121.