Single-cell motile behaviour of in thin-layered fluid collectivesTimothy Krüger, Katharina Maus, Verena Kreß, Elisabeth Meyer-Natus and Markus EngstlerEur. Phys. J. E, 44 3 (2021) 37DOI: https://doi.org/10.1140/epje/s10189-021-00052-7