@Misc{		  Diehl:2015*2,
  author	= {Patrick Diehl},
  title		= {A Benchmark Study for {M}ode {I} Crack Opening for Brittle
		  Materials},
  howpublished	= {13th US National Congress on Computational Mechanics
		  (USNCCM)},
  month		= {26.07-30.07},
  year		= {2015},
  annote	= {talk, ag-schweitzer}
}