Pixabay CC/Public Pixabay CC/Public www.flickr.com/Diamond Geeser www.flickr.com/Diamond Geeser Pixabay CC/PublicDomain Pixabay CC/PublicDomain KIT KIT TEXT Matthias Achternbosch1, Ulrich Dewald2, Eberhard Nieke1, Gerhard Sardemann11Karlsruhe Institute of Technology (KIT), Karlsruhe/Germany2GEFAK mbH, Marburg/Germany
