@inproceedings{sgem2018S21093, title = {URBAN CONCRETE BRIDGE STRUCTURES IN THE CZECH REPUBLIC AND THEIR MONITORING BY ACOUSTIC EMISSION AND NONLINEAR ULTRASONIC SPECTROSCOPY}, author = {J. Stulirova and D. Pospisilova and M. Manychova}, booktitle = {5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018}, year = {2018}, pages = {733-740}, publisher = {STEF92 Technology}, doi = {10.5593/sgemsocial2018/5.3/S21.093} }