Sudakova, M.S. et al. 2017. SEARCHING AND MEASUREMENT OF FUNCTIONAL VOIDS BY MEANS OF GPR TOMOGRAPHY BY THE EXAMPLE OF TWO COLUMNS. International Journal for Computational Civil and Structural Engineering. 13, 1 (Mar. 2017), 94–109. DOI:https://doi.org/10.22337/2587-9618-2017-13-1-94-109.