Poberžnik, M., I. Petrinić, M. Simonie, and S. Šostar Turk. “The Efficiency of NF Versus Flocculation for Colour Removal from Wastewater After the Dyeing of Cellulose Fabric”. Tekstil, vol. 58, no. 12, Dec. 2009, pp. 610-6, http://tekstil.hist.hr/index.php/tekstil/article/view/3728.