@misc{zettler_material_flow_2006, 
author={Zettler, R., Donath, T., dos Santos, J., Beckmann, F., Lohwasser, D.},
title={Material flow in friction stir butt welded aluminium alloys},
year={2006},
howpublished = {conference paper: Saint Sauveur (CDN);},
note = {Zettler, R.; Donath, T.; dos Santos, J.; Beckmann, F.; Lohwasser, D.: Material flow in friction stir butt welded aluminium alloys. In: 6th International Friction Stir Welding Symposium. Saint Sauveur (CDN). 2006.}}