Smarzewski, Piotr. “Serviceability Limit States of High Performance Reinforced Concrete Beams With Hybrid Fibre ”. Budownictwo i Architektura 12, no. 1 (March 11, 2013): 155–162. Accessed August 24, 2024. https://ph.pollub.pl/index.php/bia/article/view/2187.