Brzeska, J., A. Heimowska, M. Morawska, A. Niepsuj, W. Sikorska, M. Kowalczuk, and M. Rutkowska. 2015. “Composites of Polyurethanes Based on poly([R,S]-3-Hydroxybutyrate) With Chitosan”. Polimery 60 (6):391-95. https://doi.org/10.14314/polimery.2015.391.