@misc{petersen_airborne_heavy_1999, 
author={Petersen, G.},
title={Airborne Heavy Metals over Europe: Emissions, Long-range Transport and Deposition Fluxes to Natural Ecosystems},
year={1999},
howpublished = {conference paper,conference lecture,GKSS report: Kiev (UA); 27.-31.05. 1998},
note = {Online available at: \url{} (DOI). Petersen, G.: Airborne Heavy Metals over Europe: Emissions, Long-range Transport and Deposition Fluxes to Natural Ecosystems. In: Linkov, I.; Shell, W. (Ed.): Proceedings of the NATO Advanced Research Workshop on Contaminated Forests - NATO Science Series 2. Kiev (UA). 1999.}}