Kucińska-Lipka, J., Gubańska, I., & Janik, H. (2014). Polyurethanes modified with natural polymers for medical application. Part II. Polyurethane/gelatin, polyurethane/starch, polyurethane/cellulose. Polimery, 59(3), 197-200. https://doi.org/10.14314/polimery.2014.197