1.
Lazov L, Padarev N, Yovchev M, Linkov L. THE CHANGE OF CONTRAST IS INVESTIGATION OF 75 STEEL SAMPLES LASER MARKED WITH DIFFERENT MODES. ETR [Internet]. 2024 Jan. 16 [cited 2024 May 18];3:334-8. Available from: https://journals.ru.lv/index.php/ETR/article/view/7264