@misc{petersen_mercury_modelling_2001, 
author={Petersen, G.},
title={Mercury Modelling : Progress and Problems},
year={2001},
howpublished = {conference lecture (invited): Portoroz (SLO);},
note = {Petersen, G.: Mercury Modelling : Progress and Problems. The Second Meeting of the EMEP Task Force on Measurement and Modelling (TFMM). Portoroz (SLO), 2001.}}