@misc{brocks_bruchmechanik__2004, 
author={Brocks, W., Mueller, W.},
title={Bruchmechanik},
year={2004},
howpublished = {lecture: TU Berlin, FB Maschinenbau;},
note = {Brocks, W.; Mueller, W.: Bruchmechanik. TU Berlin, FB Maschinenbau, 2004.}}