@misc{schwalbe_effect_of_1992, 
author={Schwalbe, K.-H.},
title={Effect of weld metal mis-match on toughness requirements: Some simple analytical considerations using the engineering treatment model (ETM)},
year={1992},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Schwalbe, K.: Effect of weld metal mis-match on toughness requirements: Some simple analytical considerations using the engineering treatment model (ETM). International Journal of Fracture. 1992. vol. 56, 257-277.}}