@misc{kocak_ctod_testing_1990, 
author={Kocak, M.,Chen, L.,Terlinde, G.,Gnirss, G.,Schwalbe, K.-H.},
title={CTOD testing of HAZ and analysis of pop-in behaviour},
year={1990},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Kocak, M.; Chen, L.; Terlinde, G.; Gnirss, G.; Schwalbe, K.: CTOD testing of HAZ and analysis of pop-in behaviour. Journal of Offshore Mechanics and Arctic Engineering. 1990. vol. 112, no. 3, 214-222.}}