Sykutera, D., Szewczykowski, P., Roch, M., Wajer, Ł., Grabowski, M., & Bieliński, M. (2021). Effect of nitrogen content on physical properties of glass fiber reinforced polyamide 6 prepared by microcellular injection molding. Polimery, 63(11-12), 743–749. https://doi.org/10.14314/polimery.2018.11.1