R. Vlasov, D. . Ryabova, S. Zeynalova, D. Sokolov, and S. Ryabov, “The influence of nanoclays on the mechanical and thermal properties of rigid PIR and PUR foams: Scientific paper”, J. Serb. Chem. Soc., vol. 88, no. 4, pp. 409–421, Jan. 2023.