@misc{petersen_atmospheric_input_1992, 
author={Petersen, G.},
title={Atmospheric input of mercury to the Baltic Sea},
year={1992},
howpublished = {conference lecture: Solna (S);},
note = {Petersen, G.: Atmospheric input of mercury to the Baltic Sea. Ninth Meeting of the Group of Experts on Airborne Pollution of the Baltic Sea Area (EGAP). Solna (S), 1992.}}