@misc{kappenberg_a_comparison_1999, 
author={Kappenberg, J., Grabemann, I.},
title={A Comparison of Climate Related Changes in the Freshwater Runoff of the Elbe and Weser Rivers and Effects of the Estuaries},
year={1999},
howpublished = {conference poster: Hamburg (D);},
note = {Kappenberg, J.; Grabemann, I.: A Comparison of Climate Related Changes in the Freshwater Runoff of the Elbe and Weser Rivers and Effects of the Estuaries. In: ECSA 30. Hamburg (D). 1999.}}