Velev, V. .; Popov, A. .; Arhangelova, N. .; Kyurkchiev, P. .; Hristov, H. .; Bello, M. .; Moschini, G. .; Uzunov, N. . EFFECT OF PROTON IRRADIATION ON THE STRUCTURE DEVELOPMENT OF POLYETHYLENE TEREPHTHALATE FIBERS: EFFECT OF PROTON IRRADIATION ON THE STRUCTURE DEVELOPMENT OF POLYETHYLENE TEREPHTHALATE FIBERS. JSAR 2023, 6, 174-178.