Lengerov, Angel, Sabi Sabev, and Stoyan Paliiski. “EXPERIMENTAL STUDY OF SURFACE ROUGHNESS IN VIBRO-IMPACT CUTTING OF OPTICAL SLUGS”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (January 16, 2024): 145–148. Accessed May 18, 2024. https://journals.rta.lv/index.php/ETR/article/view/7241.