I. Pełech, M. Kwiatkowska, A. Jędrzejewska, R. Pełech, and I. Kowalczyk, “Thermal and mechanical properties of polyamide 12/modified carbon nanotubes composites prepared via the in situ ring-opening polymerization”, p, vol. 62, no. 2, pp. 101–108, Jan. 2021.