@misc{scharfe_longterm_changes_2010, 
author={Scharfe, M.,Callies, U.},
title={Long-term changes (1958-2004) in the hydro-climatic environment of the southern North Sea and consequences for the interpretation of observations on the island Helgoland (German Bight)},
year={2010},
howpublished = {conference lecture: Portland, OR (USA); 22.-26.02.2010},
note = {Online available at: \url{} (DOI). Scharfe, M.; Callies, U.: Long-term changes (1958-2004) in the hydro-climatic environment of the southern North Sea and consequences for the interpretation of observations on the island Helgoland (German Bight). AGU Ocean Sciences Meeting 2010. Portland, OR (USA), 2010.}}