Velev V, Popov A, Veleva L, Todorov N. THERMAL RESISTANCE OF POLYETHYLENE TEREPHTHALATE FIBRES: THERMAL RESISTANCE OF POLYETHYLENE TEREPHTHALATE FIBRES. JSAR [Internet]. 2023 Mar. 10 [cited 2024 Nov. 7];6(1):155-6. Available from: https://jsar.ftn.shu.bg/ojs-3.3.0-7/index.php/jsar/article/view/153