@misc{brocks_effects_of_2000, 
author={Brocks, W., Siegmund, T.},
title={Effects of Geometry and Material on the Energy Dissipation Rate},
year={2000},
howpublished = {conference lecture: San Sebastian (E);},
note = {Brocks, W.; Siegmund, T.: Effects of Geometry and Material on the Energy Dissipation Rate. ECF 13, The 13th European Conference on Fracture Fracture Mechanics: Applications and Challenges. San Sebastian (E), 2000.}}