Orešković , M., Cvitković , I., Brlek , P., Klymenko , I., Kučina , L., & Krantovska , O. (2021). Research of the bridge structure by impact-echo method. Modern Technologies and Methods of Calculations in Construction, 15, 54-64. https://doi.org/10.36910/6775-2410-6208-2021-5(15)-08