@misc{gandrass_pestizidbelastung_der_1998, 
author={Gandrass, J.},
title={Pestizidbelastung der Elbe},
year={1998},
howpublished = {journal article},
note = {Gandrass, J.: Pestizidbelastung der Elbe. Wasserwirtschaft, Wassertechnik. 1998. no. 7, 13-15.}}