@misc{weisse_estimating_the_1999, 
author={Weisse, R., Heyen, H., Storch, H.v.},
title={Estimating the sensitivity of a regional atmospheric model to a sea state dependent roughness using ensemble calculations},
year={1999},
howpublished = {GKSS report},
note = {Weisse, R.; Heyen, H.; Storch, H.: Estimating the sensitivity of a regional atmospheric model to a sea state dependent roughness using ensemble calculations. GKSS 99-E-45. 1999.}}