Porębski, T., S. Tomzik, W. Ratajczak, M. Talma-Piwowar, and W. Capała. 2012. “Application of Membrane Processes in Chemical Industry — Feedstock Recycling, Energy Saving”. Polimery 57 (5):382-88. https://ichp.vot.pl/index.php/p/article/view/838.