Lazov, Lyubomir, and Peter Uzunov. 2017. “DESIGN OF PERMANENT MAGNET LINEAR SYNCHRONOUS MOTOR DRIVING 2D TABLE FOR LASER MARKING”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June): 325-31. https://doi.org/10.17770/etr2017vol3.2595.