Seile, Arta, and Dana Beļakova. “NONWOVEN DEVELOPMENT BY THE MULTILAYER STRUCTURE”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 15, 2017): 292–297. Accessed May 5, 2024. https://journals.ru.lv/index.php/ETR/article/view/2612.