Rumbutis, L., Višniakas, I., & Jurčius, A. (2010). Research on the mechanical properties of the weld seams of constructional steel using vibration energy method during welding. Mokslas – Lietuvos Ateitis / Science – Future of Lithuania, 2(4), 73-76. https://doi.org/10.3846/mla.2010.075