G. Bogoeva-Gaceva, B. Mangovska, and G. Petrov, “Synthesis of Grafted Copolymer of Wool Keratin by Polymethacrylic Acid and the Properties of Modified Bactericide Fibres”, Tekstil, vol. 38, no. 3, pp. 125–130, Mar. 1989, Accessed: Apr. 19, 2026. [Online]. Available: https://tekstil.hist.hr/index.php/tekstil/article/view/328