Defects detection on the welded reinforcing steel with self-shielded wires by vibration testsIon Crâştiu, Eva Nyaguly, Sorin Deac, Mircea Vodă, Dorin Simoiu and Liviu BereteuMATEC Web Conf., 126 (2017) 01007DOI: https://doi.org/10.1051/matecconf/201712601007