@misc{brocks_bruchmechanik__2004, 
author={Brocks, W.,Mueller, W.},
title={Bruchmechanik},
year={2004},
howpublished = {lecture: TU Berlin, FB Maschinenbau; 28.04.-08.07.2004},
note = {Online available at: \url{} (DOI). Brocks, W.; Mueller, W.: Bruchmechanik. TU Berlin, FB Maschinenbau, 2004.}}