Gorzelańczyk T, Hoła J, Sadowski Łukasz, Schabowicz K. Methodology of nondestructive identification of defective concrete zones in unilaterally accessible massive members. JCEM [Internet]. 2013Dec.24 [cited 2024Nov.25];19(6):775-86. Available from: https://jeelm.vgtu.lt/index.php/JCEM/article/view/3918