Velev V. THERMO - MECHANICAL MODIFICATION OF AMORPHOUS POLYESTER FIBRES: I. DEFORMATION BEHAVIOUR: THERMO - MECHANICAL MODIFICATION OF AMORPHOUS POLYESTER FIBRES: I. DEFORMATION BEHAVIOUR. JSAR [Internet]. 2023 Mar. 8 [cited 2024 Nov. 24];4(1):223-8. Available from: https://jsar.ftn.shu.bg/index.php/jsar/article/view/101