@misc{szabo_preliminary_study_2014, 
author={Szabo, R.,da Cunha, P.H.,Bergmann, L.,dos Santos, J.F.},
title={Preliminary Study of Friction Stir Welding Applied on Structural Steels S235 And S355},
year={2014},
howpublished = {conference lecture: Napoli (I); 10.-12.09.2014},
note = {Online available at: \url{} (DOI). Szabo, R.; da Cunha, P.; Bergmann, L.; dos Santos, J.: Preliminary Study of Friction Stir Welding Applied on Structural Steels S235 And S355. 7th European Conference on Steel and Composite Structures, Eurosteel 2014. Napoli (I), 2014.}}