WULFHORST, Burkhard. Examples to Demonstrate the Improvement of the Economy and Quality of Yarn in the OE-Spinning Mill. Tekstil, "Zagreb, Croatia", v. 36, n. 3, p. 135–138, 1987. Disponível em: https://tekstil.hist.hr/index.php/tekstil/article/view/35. Acesso em: 19 apr. 2026.