@misc{storch_consequence_of_2005, 
author={Storch, H.v.},
title={Consequence of the introduction of lead-free gasoline on lead concentration in Elbe and North Sea},
year={2005},
howpublished = {conference lecture (invited): Helgoland (D);},
note = {Storch, H.: Consequence of the introduction of lead-free gasoline on lead concentration in Elbe and North Sea. 4th GKSS School on Environmental Sciences. Helgoland (D), 2005.}}