@misc{schwalbe_the_engineering_1998, 
author={Schwalbe, K.-H.},
title={The Engineering Flaw Assessment Method (EFAM): Document EFAM 96},
year={1998},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Schwalbe, K.: The Engineering Flaw Assessment Method (EFAM): Document EFAM 96. GKSS 98-E-40. 1998.}}