@misc{schwalbe_draft_egf_1988, 
author={Schwalbe, K.-H.,Neale, B. K.,Ingham, T.},
title={Draft EGF recommendations for determining the fracture resistance of ductile materials: EGF procedure EGF P1-87D},
year={1988},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Schwalbe, K.; Neale, B.; Ingham, T.: Draft EGF recommendations for determining the fracture resistance of ductile materials: EGF procedure EGF P1-87D. Fatigue and Fracture of Engineering Materials and Structures. 1988. vol. 11, no. 6, 409-420.}}