@misc{schwalbe_determination_of_1996, 
author={Schwalbe, K.-H.},
title={Determination of crack growth resistance and its structural relevance},
year={1996},
howpublished = {conference lecture (invited): Poitiers (F);},
note = {Schwalbe, K.: Determination of crack growth resistance and its structural relevance. ECF 11: Eleventh European Conference on Fracture. Poitiers (F), 1996.}}