RANACHOWSKI Z, JÓŹWIAK–NIEDŹWIEDZKA D, BRANDT AM, DĘBOWSKI T. Application of Acoustic Emission Method to Determine Critical Stress in Fibre Reinforced Mortar Beams. Arch. Acoust. 2012;37(3):261–268. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/90