@misc{karl_the_effect_2018, 
author={Karl, M.,Ramacher, M.O.P.},
title={The Effect of Electro Mobility on Air Quality in Hamburg},
year={2018},
howpublished = {conference lecture (invited): Stuttgart (D); 13.-14.11.2018},
note = {Online available at: \url{} (DOI). Karl, M.; Ramacher, M.: The Effect of Electro Mobility on Air Quality in Hamburg. 2nd Korea-Germany Environmental Workshop, Urban air pollution control facing human health. Stuttgart (D), 2018.}}