@misc{ebinghaus_atmosphaerische_spurenstoffe_2002, 
author={Ebinghaus, R.,Gandrass, J.,Krapp, M.},
title={Atmosphaerische Spurenstoffe / Umweltchemie 1},
year={2002},
howpublished = {lecture: Universitaet Lueneburg, FB Umweltchemie; SS 2002},
note = {Online available at: \url{} (DOI). Ebinghaus, R.; Gandrass, J.; Krapp, M.: Atmosphaerische Spurenstoffe / Umweltchemie 1. Universitaet Lueneburg, FB Umweltchemie, 2002.}}