@misc{rockel_water_budget_1999, 
author={Rockel, B.,Karstens, U.},
title={Water budget of intense cyclones in the BALTEX region},
year={1999},
howpublished = {conference lecture: Birmingham (GB); 18.-30.07.1999},
note = {Online available at: \url{} (DOI). Rockel, B.; Karstens, U.: Water budget of intense cyclones in the BALTEX region. IUGG99 Conference (International Union of Geodesy and Geophysics 99). Birmingham (GB), 1999.}}