@misc{muehlich_the_regularization_2004, 
author={Muehlich, U., Brocks, W.},
title={The regularization Behaviour of a  nonlocal gurson-type model},
year={2004},
howpublished = {conference lecture: Stockholm (S);},
note = {Muehlich, U.; Brocks, W.: The regularization Behaviour of a  nonlocal gurson-type model. ECF 15, 15th European Conference on Fracture, Advanced Fracture Mechanics for Life and Safety Asessments. Stockholm (S), 2004.}}