@misc{appel_an_electron_1999, 
author={Appel, F.},
title={An Electron Microscope Study of Twin Propagation in Two-Phase Titanium Aluminides},
year={1999},
howpublished = {conference paper: San Diego, CA (USA); 28.02.-04.03.1999},
note = {Online available at: \url{} (DOI). Appel, F.: An Electron Microscope Study of Twin Propagation in Two-Phase Titanium Aluminides. In: Ankem, S.; Pande, C. (Ed.): Advances in Twinning, Proceedings of an International Symposium. San Diego, CA (USA). 1999. 171-186.}}