@misc{schwalbe_prediction_of_1989, 
author={Schwalbe, K.-H.},
title={Prediction of load point displacement and J-integral using ETM-Progress report on elastic-plastic flaw assessment methods},
year={1989},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Schwalbe, K.: Prediction of load point displacement and J-integral using ETM-Progress report on elastic-plastic flaw assessment methods. GKSS 89-E-3. 1989.}}