@misc{appel_work_hardening_1999, 
author={Appel, F.,Sparka, U.,Wagner, R.},
title={Work Hardening and Recovery of Gamma Base Titanium Aluminides},
year={1999},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Appel, F.; Sparka, U.; Wagner, R.: Work Hardening and Recovery of Gamma Base Titanium Aluminides. Intermetallics. 1999. vol. 7, 325-334.}}