Effect of an acidic environment on a glass fibre reinforced polymer grid Petr Šimůnek, Petr Štěpánek, Ivana Švaříčková, Jan Prokeš, Ivana Laníková, Petr Žítt and João Pedro Miranda Mendes MATEC Web Conf., 310 (2020) 00022 Published online: 05 March 2020 DOI: 10.1051/matecconf/202031000022