@misc{petryk_an_energy_2003, 
author={Petryk, H.,Fischer, F.D.,Marketz, W.,Clemens, H.,Appel, F.},
title={An energy approach to the formation of twins in TiAl},
year={2003},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Petryk, H.; Fischer, F.; Marketz, W.; Clemens, H.; Appel, F.: An energy approach to the formation of twins in TiAl. Metallurgical and Materials Transactions  A. 2003. vol. 34, no. 12, 2827-2836.}}