@misc{read_potential_drop_1991, 
author={Read, D.-T.,Pfuff, M.},
title={Potential drop in the center-cracked panel with asymmetric crack extension},
year={1991},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Read, D.; Pfuff, M.: Potential drop in the center-cracked panel with asymmetric crack extension. International Journal of Fracture. 1991. vol. 48, 219-229.}}