@misc{yao_influence_of_1990, 
author={Yao, S., Kocak, M.},
title={Influence of titanium on HAZ microstructures and toughness of offshore steel welds: literature review; part 1},
year={1990},
howpublished = {GKSS report},
note = {Yao, S.; Kocak, M.: Influence of titanium on HAZ microstructures and toughness of offshore steel welds: literature review; part 1. GKSS 90-E-39. 1990.}}