@misc{siegmund_a_numerical_2000, 
author={Siegmund, T., Brocks, W.},
title={A numerical study on the correlation between the work of separation and the dissipationrate in ductile fracture},
year={2000},
howpublished = {GKSS report},
note = {Siegmund, T.; Brocks, W.: A numerical study on the correlation between the work of separation and the dissipationrate in ductile fracture. Engineering Fracture Mechanics. 2000. vol. 67, 139-154.}}