@misc{zettler_high_speed_2007, 
author={Zettler, R.,Picard, J.F.,da Silva, A.,dos Santos, J.},
title={High Speed Friction Stir Welding of a Wrought Magnesium AZ31 Alloy},
year={2007},
howpublished = {conference lecture: St. Petersburg (RUS); 06.-08.06.2007},
note = {Online available at: \url{} (DOI). Zettler, R.; Picard, J.; da Silva, A.; dos Santos, J.: High Speed Friction Stir Welding of a Wrought Magnesium AZ31 Alloy. Magnesium Broad Horizons, The Second International Conference and Exhibition. St. Petersburg (RUS), 2007.}}