@misc{appel_twinning_in_2000, 
author={Appel, F.},
title={Twinning in Crack Tip Plasticity of Two-Phase Titanium Aluminides},
year={2000},
howpublished = {conference lecture (invited): Bosten, MA (USA); 27.-29.11.2000},
note = {Online available at: \url{} (DOI). Appel, F.: Twinning in Crack Tip Plasticity of Two-Phase Titanium Aluminides. High-Temperature Ordered Intermetallic Alloys IX, Materials Research Society Symposium Proceedings. Bosten, MA (USA), 2000.}}