ERLAČ, E.; SOLJAČIĆ, I.; HAINŠ, N. Wool Bleaching and Causes of Natural Colour of Wool. Tekstil, "Zagreb, Croatia", v. 36, n. 12, p. 697–709, 1987. Disponível em: http://www.tekstil.hist.hr/index.php/tekstil/article/view/153. Acesso em: 26 oct. 2025.