Kucińska-Lipka, J. et al. 2014. Polyurethanes modified with natural polymers for medical application. Part II. Polyurethane/gelatin, polyurethane/starch, polyurethane/cellulose. Polimery. 59, 3 (Mar. 2014), 197–200. DOI:https://doi.org/10.14314/polimery.2014.197.