@misc{appel_intermetallics_titanium_2001, 
author={Appel, F.,Wagner, R.},
title={Intermetallics: Titanium Aluminides},
year={2001},
howpublished = {book part},
note = {Online available at: \url{} (DOI). Appel, F.; Wagner, R.: Intermetallics: Titanium Aluminides. In: Buschow, K.; Cahn, R.; Flemings, M.; Ilschner, B.; Kramer, E.; Mahajan, S. (Ed.): Encyclopedia of Materials: Science and Technology. Amsterdam: Pergamon. 2001. 4246-4265.}}