@misc{li_the_engineering_1998, 
author={Li, Z., Brocks, W., Schwalbe, K.-H.},
title={The engineering treatment model (ETM) for pure power law and non-power law hardening materials},
year={1998},
howpublished = {GKSS report},
note = {Li, Z.; Brocks, W.; Schwalbe, K.: The engineering treatment model (ETM) for pure power law and non-power law hardening materials. Fatigue and Fracture of Engineering Materials and Structures. 1998. vol. 21, no. 10, 1233-1248.}}