Deneva, Hristina, Lyubomir Lazov, and Erika Teirumnieka. “LASER AS A DEVICE FOR MEASUREMENT OF THIN THREADS - A SCHOOL LABORATORY EXPERIMENT IN PHYSICS”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 2 (May 26, 2017): 72–80. Accessed November 22, 2024. https://journals.ru.lv/index.php/SIE/article/view/2404.