Sovják, R., Máca, P. and Imlauf, T. 2016. EFFECT OF FIBRE ASPECT RATIO AND FIBRE VOLUME FRACTION ON THE EFFECTIVE FRACTURE ENERGY OF ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE. Acta Polytechnica. 56, 4 (Aug. 2016), 319–327. DOI:https://doi.org/10.14311/AP.2016.56.0319.