Bachelor thesis, master thesis, state examinations and doctoral thesis in the research group atmospheric chemistry

Investigation of air pollutants in Cologne Cathedral

More information can be found here (german).

_{Recorded by Mike Fincke on board the International Space Station ISS on August 27, 2004}

_{Recorded by Mika Yrjölä in August 2003.
The picture shows bright noctilucent clouds over Lake Saimaa, Finland.}