Penczek, S., J. Pretula, and P. Lewiński. “Polymers from Renewable Resources. Biodegradable Polymers”. Polimery 58, no. 11-12 (December 30, 2013): 835-846. Accessed April 26, 2024. https://ichp.vot.pl/index.php/p/article/view/789.