@misc{yuan_numerical_simulations_1991, 
author={Yuan, A.,Cornec, A.},
title={Numerical simulations of ductile crack growth in thin specimens based on a cohesive zone model},
year={1991},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Yuan, A.; Cornec, A.: Numerical simulations of ductile crack growth in thin specimens based on a cohesive zone model. GKSS 91-E-23. 1991.}}