@misc{wilhelm_modelling_of_1998, 
author={Wilhelm, A.,Fast, T.,Mueller, A.},
title={Modelling of the ecosystem Sylt-Romo bight: open boundary treatment and first results},
year={1998},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Wilhelm, A.; Fast, T.; Mueller, A.: Modelling of the ecosystem Sylt-Romo bight: open boundary treatment and first results. GKSS 98-E-45. 1998.}}