Paciorek-Sadowska, J., Borowicz, M., Czupryński, B. and Liszkowska, J. 2021. Composites of rigid polyurethane-polyisocyanurate foams with oak bark. Polimery. 62, 9 (Jan. 2021), 666-672. DOI:https://doi.org/10.14314/polimery.2017.666.