@misc{matthias_atmospheric_aerosols_2007, 
author={Matthias, V.},
title={Atmospheric Aerosols - what they are and how they are represented in Chemistry Transport Models},
year={2007},
howpublished = {conference lecture (invited): Sofia (BG); 01.-10.08.2007},
note = {Online available at: \url{} (DOI). Matthias, V.: Atmospheric Aerosols - what they are and how they are represented in Chemistry Transport Models. NATO Advanced Training Course on Modelling of the Transport and Transformation of pollutants in the atmosphere. Sofia (BG), 2007.}}