@misc{schwalbe_delta5_and_1995, 
author={Schwalbe, K.-H.},
title={Delta5 and ETM – the basis for the fracture mechanics assessment method EFAM},
year={1995},
howpublished = {conference lecture: Kopenhagen (DK); June 18-22, 1995},
note = {Online available at: \url{} (DOI). Schwalbe, K.: Delta5 and ETM – the basis for the fracture mechanics assessment method EFAM. Offshore Mechanics and Arctic Engineering. Kopenhagen (DK), 1995.}}