@misc{appel_tial_intermetallics_2010, 
author={Appel, F.},
title={TiAl Intermetallics},
year={2010},
howpublished = {book part},
note = {Appel, F.: TiAl Intermetallics. In: Blockley, R.; Shyy, W. (Ed.): Encyclopedia of Aerospace Engineering, Materials Technology, Part 19. Wiley. 2010. 2293-2306.}}