@misc{kocak_effects_of_1989, 
author={Kocak, M.,Yao, S.,Schwalbe, K.-H.},
title={Effects of welding residual stresses on fatigue precracking of CTOD specimens},
year={1989},
howpublished = {conference paper,conference lecture: Geesthacht (D); 1989},
note = {Online available at: \url{} (DOI). Kocak, M.; Yao, S.; Schwalbe, K.: Effects of welding residual stresses on fatigue precracking of CTOD specimens. In: Curioni, S.; Waterhouse, B.; Kirk, D. (Ed.): Metal behaviour und surface engineering. Geesthacht (D). 1989. 249-254.}}