@misc{appel_novel_design_1999, 
author={Appel, F.,Oehring, M.,Wagner, R.},
title={Novel Design Concepts for Gamma-Base Titanium Aluminide Alloys},
year={1999},
howpublished = {conference lecture (invited): Cincinnati, OH (USA); 01.-04.11.1999},
note = {Online available at: \url{} (DOI). Appel, F.; Oehring, M.; Wagner, R.: Novel Design Concepts for Gamma-Base Titanium Aluminide Alloys. Intermetallics for the Third Millenium, ASM Conference. Cincinnati, OH (USA), 1999.}}