PORINI, P. New technological possibilities and new quality in the fourth passage of pre-spinning for the production of high-fineness yarn. Tekstil, "Zagreb, Croatia", v. 40, n. 6, p. 261–265, 1991. Disponível em: http://tekstil.hist.hr/index.php/tekstil/article/view/759. Acesso em: 21 oct. 2025.