@misc{karl_evolution_of_2017, 
author={Karl, M.},
title={Evolution of size and composition of vehicle-exhaust nanoparticles from point of emission to city scale},
year={2017},
howpublished = {conference lecture (invited): Duisburg (D); 28.-29.11.2017},
note = {Online available at: \url{} (DOI). Karl, M.: Evolution of size and composition of vehicle-exhaust nanoparticles from point of emission to city scale. Airborne Engineered Nanomaterials: Measurements, Implications and Modelling, NanoFASE Workshop on Airborne Nanomaterials. Duisburg (D), 2017.}}