Sabev, Sabi, and Plamen Kasabov. “THE EFFECT OF FEED RATE AND CUTTING SPEED TO SURFACE ROUGHNESS DURING HOLE BORING OF ALUMINUM WITH ANTI-VIBRATION BORING BAR”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 16, 2021): 314–318. Accessed May 8, 2024. https://journals.ru.lv/index.php/ETR/article/view/6537.