Weshalb Auf Die Wissenschaft Hören?Andreas Bartels, Dennis Lehmkuhl · First published 2022Open the Tome
Towards a Theory of Spacetime TheoriesDennis Lehmkuhl, Gregor Schiemann, Erhard Scholz · First published 2015Open the Tome
Biology and downstream drift of some Oregon EphemeropteraDennis Merle Lehmkuhl · First published 1969Open the Tome
