Paciorek-Sadowska, J., Borowicz, M., Czupryński, B., Liszkowska, J. and Tomaszewska, E. (2021) “Application of halloysite as filler in the production of rigid PUR-PIR foams”, Polimery, 63(3), pp. 185-190. doi: 10.14314/polimery.2018.3.3.