Kummerlöwe, C., N. Vennemann, S. Pieper, A. Siebert, and Y. Nakaramontri. “Preparation and Properties of Carbon-Nanotube Composites With Natural Rubber and Epoxidized Natural Rubber”. Polimery, vol. 59, no. 11-12, Dec. 2014, pp. 811-8, doi:10.14314/polimery.2014.811.