@misc{xu_constitutive_behaviour_2010, 
author={Xu, S., Tyson, W., Martin, P., Petri, N.},
title={Constitutive Behaviour and Crack Tip Opening Angle of Ultra High Strength Steel Sheets},
year={2010},
howpublished = {conference lecture: Detroit, MI (USA);},
note = {Xu, S.; Tyson, W.; Martin, P.; Petri, N.: Constitutive Behaviour and Crack Tip Opening Angle of Ultra High Strength Steel Sheets. SAE 2010 World Congress & Exhibition. Detroit, MI (USA), 2010.}}