@misc{hellmann_methods_for_1992, 
author={Hellmann, D., Schwalbe, K.-H.},
title={Methods for material characterization in the range of high crack growth rates},
year={1992},
howpublished = {GKSS report},
note = {Hellmann, D.; Schwalbe, K.: Methods for material characterization in the range of high crack growth rates. In: Rie, K. (Ed.): Third International Conference on Low Cycle Fatigue and Elasto-Plastic Behaviour of Materials 3 (LCF 3). Berlin (D). 1992. 521-526.}}