G. Tetzlaff and B. Wulfhorst, “Production and application of OE rotor yarns of medium and coarse fineness”, Tekstil, vol. 42, no. 6, pp. 335–341, Jun. 1993, Accessed: Apr. 22, 2026. [Online]. Available: https://www.tekstil.hist.hr/index.php/tekstil/article/view/1094