GUTMANN, Rainer; BOGER, Snježana. Direct measurement of amorphous orientation in melt-spun polymer fibers. Tekstil, "Zagreb, Croatia", v. 54, n. 6, p. 279–283, 2005. Disponível em: https://www.tekstil2.hist.hr/index.php/tekstil/article/view/3074. Acesso em: 18 aug. 2026.