The influence of fibre pre-treatment on the mechanical properties of the geopolymer compositesKinga Korniejenko, Beata Figiela, Hana Šimonová, Barbara Kucharczyková, Martin Duarte Guigou and Michał ŁachMATEC Web Conf., 322 (2020) 01012DOI: https://doi.org/10.1051/matecconf/202032201012