Pelekis, Panagiotis, Vassilis G. Siorikis, Constantinos P. Antonopoulos, Geraldo L. Osmani, and George D. Hatzigeorgiou. “Impact-Echo Method on Short Cylinders: A Numerical and Experimental Investigation”. Civil Engineering Journal 11, no. 9 (September 1, 2025): 3574–3591. Accessed October 26, 2025. https://www.civilejournal.org/index.php/cej/article/view/5883.