@misc{kocak_fracture_toughness_1991, 
author={Kocak, M.},
title={Fracture toughness testing of local brittle zones of welds},
year={1991},
howpublished = {conference lecture: Paris (F); October 10-11, 1991},
note = {Online available at: \url{} (DOI). Kocak, M.: Fracture toughness testing of local brittle zones of welds. International Conference WELDING-91: Welding of Materials. Paris (F), 1991.}}