Velev V, Popov A, Kyurkchiev P, Veleva L, Mateva R. THERMO-MECHANICALLY MODIFICATION OF AMORPHOUS POLYESTER FIBRES: ІІ. CALORIMETRIC INVESTIGATIONS: THERMO-MECHANICALLY MODIFICATION OF AMORPHOUS POLYESTER FIBRES: ІІ. CALORIMETRIC INVESTIGATIONS. JSAR [Internet]. 2023 Mar. 8 [cited 2024 Nov. 24];4(1):229-34. Available from: https://jsar.ftn.shu.bg/index.php/jsar/article/view/102